Update dependency setuptools to v83 [SECURITY] - #392

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renovate/pypi-setuptools-vulnerability
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Update dependency setuptools to v83 [SECURITY]#392
renovate[bot] wants to merge 1 commit into
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renovate/pypi-setuptools-vulnerability

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This PR contains the following updates:

PackageChangeAgeConfidence
setuptools (changelog)^79.0.0^83.0.0ageconfidence

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

CVE-2026-59890 / GHSA-h35f-9h28-mq5c

More information

Details

Summary

When building a source distribution (python -m build --sdist / setup.py sdist), setuptools' FileList applies MANIFEST.in directives (exclude, global-exclude, recursive-exclude, prune) by matching a compiled glob against on-disk file names byte-for-byte, with no Unicode normalization. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a MANIFEST.in rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the .tar.gz and, if published, uploaded to the public, immutable PyPI index.

Details

File names in FileList.files come from os.walk (setuptools/_distutils/filelist.py, _find_all_simple), so on APFS a file written NFD is offered to the matcher in NFD, while the MANIFEST.in pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:

##### setuptools/command/egg_info.py (FileList.global_exclude)defglobal_exclude(self, pattern):
match=translate_pattern(os.path.join('**', pattern)) # fnmatch.translate -> regex, no NFC/NFDreturnself._remove_files(match.match) # byte-level regex over raw os.walk names

A rule written NFC (café = 63 61 66 c3 a9) does not match an on-disk name written NFD (café = 63 61 66 65 cc 81), even though the filesystem treats the two as one file.

A unicodedata.normalize('NFD', ...) helper exists in setuptools/unicode_utils.py (decompose()), but it is never called in the manifest matching path, so neither the pattern nor the walked path is normalized before matching. The only normalization in this area, EggInfoCommand._manifest_normalize, uses filesys_decode (bytes→str decode only, no NFC/NFD) and runs when writing SOURCES.txt, after matching has already occurred.

Impact

MANIFEST.in exclusions are the documented mechanism maintainers use to keep secrets, local configs, and private fixtures out of the published sdist. A non-ASCII excluded file may be published to the public, immutable PyPI index despite the rule — an irreversible disclosure with no visual cue (NFC and NFD forms render identically). Exposure is filesystem-dependent and most relevant on macOS APFS/HFS+, where many maintainers build and publish. Pure-ASCII rules are unaffected.

Proof of concept

With a project containing MANIFEST.in:

global-include *.txt *.json
global-exclude secret_café.txt # rule saved NFC

and an on-disk file secret_café.txt written in NFD, python -m build --sdist packs the secret file into the resulting .tar.gz, while an ASCII control file excluded by the same directive is correctly dropped — isolating the bypass to the NFC-pattern vs. NFD-name mismatch. Reproduced on macOS APFS with setuptools 82.0.1.

Remediation

Normalize both the walked path and each MANIFEST.in pattern to a single canonical form before matching, in both setuptools/command/egg_info.py (FileList) and the vendored setuptools/_distutils/filelist.py. For an exclusion list, err toward excluding more, and document that MANIFEST.in matching is normalization-insensitive on macOS.

Credit

Reported by Tomas Illuminati. Coordinated via CERT/CC VINCE VU#604762.

Severity

  • CVSS Score: 6.1 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

pypa/setuptools (setuptools)

v83.0.0

Compare Source

v82.0.1

Compare Source

v82.0.0

Compare Source

v81.0.0

Compare Source

v80.10.2

Compare Source

v80.10.1

Compare Source

v80.9.0

Compare Source

v80.8.0

Compare Source

v80.7.1

Compare Source

v80.7.0

Compare Source

v80.6.0

Compare Source

v80.4.0

Compare Source

v80.3.1

Compare Source

v80.3.0

Compare Source

v80.2.0

Compare Source

v80.1.0

Compare Source

v80.0.1

Compare Source

v80.0.0

Compare Source


Configuration

📅 Schedule: (UTC)

  • Branch creation
    • At any time (no schedule defined)
  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

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renovateBot commented Jul 25, 2026

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock
Updating dependencies
Resolving dependencies...
The current project's supported Python range (>3.9.0,<3.9.1 || >3.9.1,<3.10) is not compatible with some of the required packages Python requirement:
- setuptools requires Python >=3.10, so it will not be installable for Python >3.9.0,<3.9.1 || >3.9.1,<3.10
Because no versions of setuptools match >83.0.0,<84.0.0
and setuptools (83.0.0) requires Python >=3.10, setuptools is forbidden.
So, because symphony-bdk-python depends on setuptools (^83.0.0), version solving failed.
* Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
For setuptools, a possible solution would be to set the `python` property to "<empty>"
https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
https://python-poetry.org/docs/dependency-specification/#using-environment-markers

@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 1dabf62 to 6dbf7c8CompareAugust 23, 2026 04:08
@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 6dbf7c8 to 5354c40CompareAugust 26, 2026 09:29
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Skip to content

Update dependency setuptools to v83 [SECURITY] - #392

Open
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability
Open

Update dependency setuptools to v83 [SECURITY]#392
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability

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@renovate

@renovaterenovateBot commented Jul 25, 2026

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This PR contains the following updates:

PackageChangeAgeConfidence
setuptools (changelog)^79.0.0^83.0.0ageconfidence

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

CVE-2026-59890 / GHSA-h35f-9h28-mq5c

More information

Details

Summary

When building a source distribution (python -m build --sdist / setup.py sdist), setuptools' FileList applies MANIFEST.in directives (exclude, global-exclude, recursive-exclude, prune) by matching a compiled glob against on-disk file names byte-for-byte, with no Unicode normalization. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a MANIFEST.in rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the .tar.gz and, if published, uploaded to the public, immutable PyPI index.

Details

File names in FileList.files come from os.walk (setuptools/_distutils/filelist.py, _find_all_simple), so on APFS a file written NFD is offered to the matcher in NFD, while the MANIFEST.in pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:

##### setuptools/command/egg_info.py (FileList.global_exclude)defglobal_exclude(self, pattern):
match=translate_pattern(os.path.join('**', pattern)) # fnmatch.translate -> regex, no NFC/NFDreturnself._remove_files(match.match) # byte-level regex over raw os.walk names

A rule written NFC (café = 63 61 66 c3 a9) does not match an on-disk name written NFD (café = 63 61 66 65 cc 81), even though the filesystem treats the two as one file.

A unicodedata.normalize('NFD', ...) helper exists in setuptools/unicode_utils.py (decompose()), but it is never called in the manifest matching path, so neither the pattern nor the walked path is normalized before matching. The only normalization in this area, EggInfoCommand._manifest_normalize, uses filesys_decode (bytes→str decode only, no NFC/NFD) and runs when writing SOURCES.txt, after matching has already occurred.

Impact

MANIFEST.in exclusions are the documented mechanism maintainers use to keep secrets, local configs, and private fixtures out of the published sdist. A non-ASCII excluded file may be published to the public, immutable PyPI index despite the rule — an irreversible disclosure with no visual cue (NFC and NFD forms render identically). Exposure is filesystem-dependent and most relevant on macOS APFS/HFS+, where many maintainers build and publish. Pure-ASCII rules are unaffected.

Proof of concept

With a project containing MANIFEST.in:

global-include *.txt *.json
global-exclude secret_café.txt # rule saved NFC

and an on-disk file secret_café.txt written in NFD, python -m build --sdist packs the secret file into the resulting .tar.gz, while an ASCII control file excluded by the same directive is correctly dropped — isolating the bypass to the NFC-pattern vs. NFD-name mismatch. Reproduced on macOS APFS with setuptools 82.0.1.

Remediation

Normalize both the walked path and each MANIFEST.in pattern to a single canonical form before matching, in both setuptools/command/egg_info.py (FileList) and the vendored setuptools/_distutils/filelist.py. For an exclusion list, err toward excluding more, and document that MANIFEST.in matching is normalization-insensitive on macOS.

Credit

Reported by Tomas Illuminati. Coordinated via CERT/CC VINCE VU#604762.

Severity

  • CVSS Score: 6.1 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

pypa/setuptools (setuptools)

v83.0.0

Compare Source

v82.0.1

Compare Source

v82.0.0

Compare Source

v81.0.0

Compare Source

v80.10.2

Compare Source

v80.10.1

Compare Source

v80.9.0

Compare Source

v80.8.0

Compare Source

v80.7.1

Compare Source

v80.7.0

Compare Source

v80.6.0

Compare Source

v80.4.0

Compare Source

v80.3.1

Compare Source

v80.3.0

Compare Source

v80.2.0

Compare Source

v80.1.0

Compare Source

v80.0.1

Compare Source

v80.0.0

Compare Source


Configuration

📅 Schedule: (UTC)

  • Branch creation
    • At any time (no schedule defined)
  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate

renovateBot commented Jul 25, 2026

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock
Updating dependencies
Resolving dependencies...
The current project's supported Python range (>3.9.0,<3.9.1 || >3.9.1,<3.10) is not compatible with some of the required packages Python requirement:
- setuptools requires Python >=3.10, so it will not be installable for Python >3.9.0,<3.9.1 || >3.9.1,<3.10
Because no versions of setuptools match >83.0.0,<84.0.0
and setuptools (83.0.0) requires Python >=3.10, setuptools is forbidden.
So, because symphony-bdk-python depends on setuptools (^83.0.0), version solving failed.
* Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
For setuptools, a possible solution would be to set the `python` property to "<empty>"
https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
https://python-poetry.org/docs/dependency-specification/#using-environment-markers

@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 1dabf62 to 6dbf7c8CompareAugust 23, 2026 04:08
@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 6dbf7c8 to 5354c40CompareAugust 26, 2026 09:29
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Update dependency setuptools to v83 [SECURITY] - #392

Open
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability
Open

Update dependency setuptools to v83 [SECURITY]#392
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability

Conversation

@renovate

@renovaterenovateBot commented Jul 25, 2026

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This PR contains the following updates:

PackageChangeAgeConfidence
setuptools (changelog)^79.0.0^83.0.0ageconfidence

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

CVE-2026-59890 / GHSA-h35f-9h28-mq5c

More information

Details

Summary

When building a source distribution (python -m build --sdist / setup.py sdist), setuptools' FileList applies MANIFEST.in directives (exclude, global-exclude, recursive-exclude, prune) by matching a compiled glob against on-disk file names byte-for-byte, with no Unicode normalization. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a MANIFEST.in rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the .tar.gz and, if published, uploaded to the public, immutable PyPI index.

Details

File names in FileList.files come from os.walk (setuptools/_distutils/filelist.py, _find_all_simple), so on APFS a file written NFD is offered to the matcher in NFD, while the MANIFEST.in pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:

##### setuptools/command/egg_info.py (FileList.global_exclude)defglobal_exclude(self, pattern):
match=translate_pattern(os.path.join('**', pattern)) # fnmatch.translate -> regex, no NFC/NFDreturnself._remove_files(match.match) # byte-level regex over raw os.walk names

A rule written NFC (café = 63 61 66 c3 a9) does not match an on-disk name written NFD (café = 63 61 66 65 cc 81), even though the filesystem treats the two as one file.

A unicodedata.normalize('NFD', ...) helper exists in setuptools/unicode_utils.py (decompose()), but it is never called in the manifest matching path, so neither the pattern nor the walked path is normalized before matching. The only normalization in this area, EggInfoCommand._manifest_normalize, uses filesys_decode (bytes→str decode only, no NFC/NFD) and runs when writing SOURCES.txt, after matching has already occurred.

Impact

MANIFEST.in exclusions are the documented mechanism maintainers use to keep secrets, local configs, and private fixtures out of the published sdist. A non-ASCII excluded file may be published to the public, immutable PyPI index despite the rule — an irreversible disclosure with no visual cue (NFC and NFD forms render identically). Exposure is filesystem-dependent and most relevant on macOS APFS/HFS+, where many maintainers build and publish. Pure-ASCII rules are unaffected.

Proof of concept

With a project containing MANIFEST.in:

global-include *.txt *.json
global-exclude secret_café.txt # rule saved NFC

and an on-disk file secret_café.txt written in NFD, python -m build --sdist packs the secret file into the resulting .tar.gz, while an ASCII control file excluded by the same directive is correctly dropped — isolating the bypass to the NFC-pattern vs. NFD-name mismatch. Reproduced on macOS APFS with setuptools 82.0.1.

Remediation

Normalize both the walked path and each MANIFEST.in pattern to a single canonical form before matching, in both setuptools/command/egg_info.py (FileList) and the vendored setuptools/_distutils/filelist.py. For an exclusion list, err toward excluding more, and document that MANIFEST.in matching is normalization-insensitive on macOS.

Credit

Reported by Tomas Illuminati. Coordinated via CERT/CC VINCE VU#604762.

Severity

  • CVSS Score: 6.1 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

pypa/setuptools (setuptools)

v83.0.0

Compare Source

v82.0.1

Compare Source

v82.0.0

Compare Source

v81.0.0

Compare Source

v80.10.2

Compare Source

v80.10.1

Compare Source

v80.9.0

Compare Source

v80.8.0

Compare Source

v80.7.1

Compare Source

v80.7.0

Compare Source

v80.6.0

Compare Source

v80.4.0

Compare Source

v80.3.1

Compare Source

v80.3.0

Compare Source

v80.2.0

Compare Source

v80.1.0

Compare Source

v80.0.1

Compare Source

v80.0.0

Compare Source


Configuration

📅 Schedule: (UTC)

  • Branch creation
    • At any time (no schedule defined)
  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate

renovateBot commented Jul 25, 2026

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock
Updating dependencies
Resolving dependencies...
The current project's supported Python range (>3.9.0,<3.9.1 || >3.9.1,<3.10) is not compatible with some of the required packages Python requirement:
- setuptools requires Python >=3.10, so it will not be installable for Python >3.9.0,<3.9.1 || >3.9.1,<3.10
Because no versions of setuptools match >83.0.0,<84.0.0
and setuptools (83.0.0) requires Python >=3.10, setuptools is forbidden.
So, because symphony-bdk-python depends on setuptools (^83.0.0), version solving failed.
* Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
For setuptools, a possible solution would be to set the `python` property to "<empty>"
https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
https://python-poetry.org/docs/dependency-specification/#using-environment-markers

@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 1dabf62 to 6dbf7c8CompareAugust 23, 2026 04:08
@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 6dbf7c8 to 5354c40CompareAugust 26, 2026 09:29
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

Update dependency setuptools to v83 [SECURITY] - #392

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renovate/pypi-setuptools-vulnerability
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Update dependency setuptools to v83 [SECURITY]#392
renovate[bot] wants to merge 1 commit into
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renovate/pypi-setuptools-vulnerability

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This PR contains the following updates:

PackageChangeAgeConfidence
setuptools (changelog)^79.0.0^83.0.0ageconfidence

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

CVE-2026-59890 / GHSA-h35f-9h28-mq5c

More information

Details

Summary

When building a source distribution (python -m build --sdist / setup.py sdist), setuptools' FileList applies MANIFEST.in directives (exclude, global-exclude, recursive-exclude, prune) by matching a compiled glob against on-disk file names byte-for-byte, with no Unicode normalization. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a MANIFEST.in rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the .tar.gz and, if published, uploaded to the public, immutable PyPI index.

Details

File names in FileList.files come from os.walk (setuptools/_distutils/filelist.py, _find_all_simple), so on APFS a file written NFD is offered to the matcher in NFD, while the MANIFEST.in pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:

##### setuptools/command/egg_info.py (FileList.global_exclude)defglobal_exclude(self, pattern):
match=translate_pattern(os.path.join('**', pattern)) # fnmatch.translate -> regex, no NFC/NFDreturnself._remove_files(match.match) # byte-level regex over raw os.walk names

A rule written NFC (café = 63 61 66 c3 a9) does not match an on-disk name written NFD (café = 63 61 66 65 cc 81), even though the filesystem treats the two as one file.

A unicodedata.normalize('NFD', ...) helper exists in setuptools/unicode_utils.py (decompose()), but it is never called in the manifest matching path, so neither the pattern nor the walked path is normalized before matching. The only normalization in this area, EggInfoCommand._manifest_normalize, uses filesys_decode (bytes→str decode only, no NFC/NFD) and runs when writing SOURCES.txt, after matching has already occurred.

Impact

MANIFEST.in exclusions are the documented mechanism maintainers use to keep secrets, local configs, and private fixtures out of the published sdist. A non-ASCII excluded file may be published to the public, immutable PyPI index despite the rule — an irreversible disclosure with no visual cue (NFC and NFD forms render identically). Exposure is filesystem-dependent and most relevant on macOS APFS/HFS+, where many maintainers build and publish. Pure-ASCII rules are unaffected.

Proof of concept

With a project containing MANIFEST.in:

global-include *.txt *.json
global-exclude secret_café.txt # rule saved NFC

and an on-disk file secret_café.txt written in NFD, python -m build --sdist packs the secret file into the resulting .tar.gz, while an ASCII control file excluded by the same directive is correctly dropped — isolating the bypass to the NFC-pattern vs. NFD-name mismatch. Reproduced on macOS APFS with setuptools 82.0.1.

Remediation

Normalize both the walked path and each MANIFEST.in pattern to a single canonical form before matching, in both setuptools/command/egg_info.py (FileList) and the vendored setuptools/_distutils/filelist.py. For an exclusion list, err toward excluding more, and document that MANIFEST.in matching is normalization-insensitive on macOS.

Credit

Reported by Tomas Illuminati. Coordinated via CERT/CC VINCE VU#604762.

Severity

  • CVSS Score: 6.1 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

pypa/setuptools (setuptools)

v83.0.0

Compare Source

v82.0.1

Compare Source

v82.0.0

Compare Source

v81.0.0

Compare Source

v80.10.2

Compare Source

v80.10.1

Compare Source

v80.9.0

Compare Source

v80.8.0

Compare Source

v80.7.1

Compare Source

v80.7.0

Compare Source

v80.6.0

Compare Source

v80.4.0

Compare Source

v80.3.1

Compare Source

v80.3.0

Compare Source

v80.2.0

Compare Source

v80.1.0

Compare Source

v80.0.1

Compare Source

v80.0.0

Compare Source


Configuration

📅 Schedule: (UTC)

  • Branch creation
    • At any time (no schedule defined)
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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


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renovateBot commented Jul 25, 2026

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock
Updating dependencies
Resolving dependencies...
The current project's supported Python range (>3.9.0,<3.9.1 || >3.9.1,<3.10) is not compatible with some of the required packages Python requirement:
- setuptools requires Python >=3.10, so it will not be installable for Python >3.9.0,<3.9.1 || >3.9.1,<3.10
Because no versions of setuptools match >83.0.0,<84.0.0
and setuptools (83.0.0) requires Python >=3.10, setuptools is forbidden.
So, because symphony-bdk-python depends on setuptools (^83.0.0), version solving failed.
* Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
For setuptools, a possible solution would be to set the `python` property to "<empty>"
https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
https://python-poetry.org/docs/dependency-specification/#using-environment-markers

@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 1dabf62 to 6dbf7c8CompareAugust 23, 2026 04:08
@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 6dbf7c8 to 5354c40CompareAugust 26, 2026 09:29
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

Update dependency setuptools to v83 [SECURITY] - #392

Open
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability
Open

Update dependency setuptools to v83 [SECURITY]#392
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability

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@renovate

@renovaterenovateBot commented Jul 25, 2026

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This PR contains the following updates:

PackageChangeAgeConfidence
setuptools (changelog)^79.0.0^83.0.0ageconfidence

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

CVE-2026-59890 / GHSA-h35f-9h28-mq5c

More information

Details

Summary

When building a source distribution (python -m build --sdist / setup.py sdist), setuptools' FileList applies MANIFEST.in directives (exclude, global-exclude, recursive-exclude, prune) by matching a compiled glob against on-disk file names byte-for-byte, with no Unicode normalization. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a MANIFEST.in rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the .tar.gz and, if published, uploaded to the public, immutable PyPI index.

Details

File names in FileList.files come from os.walk (setuptools/_distutils/filelist.py, _find_all_simple), so on APFS a file written NFD is offered to the matcher in NFD, while the MANIFEST.in pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:

##### setuptools/command/egg_info.py (FileList.global_exclude)defglobal_exclude(self, pattern):
match=translate_pattern(os.path.join('**', pattern)) # fnmatch.translate -> regex, no NFC/NFDreturnself._remove_files(match.match) # byte-level regex over raw os.walk names

A rule written NFC (café = 63 61 66 c3 a9) does not match an on-disk name written NFD (café = 63 61 66 65 cc 81), even though the filesystem treats the two as one file.

A unicodedata.normalize('NFD', ...) helper exists in setuptools/unicode_utils.py (decompose()), but it is never called in the manifest matching path, so neither the pattern nor the walked path is normalized before matching. The only normalization in this area, EggInfoCommand._manifest_normalize, uses filesys_decode (bytes→str decode only, no NFC/NFD) and runs when writing SOURCES.txt, after matching has already occurred.

Impact

MANIFEST.in exclusions are the documented mechanism maintainers use to keep secrets, local configs, and private fixtures out of the published sdist. A non-ASCII excluded file may be published to the public, immutable PyPI index despite the rule — an irreversible disclosure with no visual cue (NFC and NFD forms render identically). Exposure is filesystem-dependent and most relevant on macOS APFS/HFS+, where many maintainers build and publish. Pure-ASCII rules are unaffected.

Proof of concept

With a project containing MANIFEST.in:

global-include *.txt *.json
global-exclude secret_café.txt # rule saved NFC

and an on-disk file secret_café.txt written in NFD, python -m build --sdist packs the secret file into the resulting .tar.gz, while an ASCII control file excluded by the same directive is correctly dropped — isolating the bypass to the NFC-pattern vs. NFD-name mismatch. Reproduced on macOS APFS with setuptools 82.0.1.

Remediation

Normalize both the walked path and each MANIFEST.in pattern to a single canonical form before matching, in both setuptools/command/egg_info.py (FileList) and the vendored setuptools/_distutils/filelist.py. For an exclusion list, err toward excluding more, and document that MANIFEST.in matching is normalization-insensitive on macOS.

Credit

Reported by Tomas Illuminati. Coordinated via CERT/CC VINCE VU#604762.

Severity

  • CVSS Score: 6.1 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

pypa/setuptools (setuptools)

v83.0.0

Compare Source

v82.0.1

Compare Source

v82.0.0

Compare Source

v81.0.0

Compare Source

v80.10.2

Compare Source

v80.10.1

Compare Source

v80.9.0

Compare Source

v80.8.0

Compare Source

v80.7.1

Compare Source

v80.7.0

Compare Source

v80.6.0

Compare Source

v80.4.0

Compare Source

v80.3.1

Compare Source

v80.3.0

Compare Source

v80.2.0

Compare Source

v80.1.0

Compare Source

v80.0.1

Compare Source

v80.0.0

Compare Source


Configuration

📅 Schedule: (UTC)

  • Branch creation
    • At any time (no schedule defined)
  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate

renovateBot commented Jul 25, 2026

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock
Updating dependencies
Resolving dependencies...
The current project's supported Python range (>3.9.0,<3.9.1 || >3.9.1,<3.10) is not compatible with some of the required packages Python requirement:
- setuptools requires Python >=3.10, so it will not be installable for Python >3.9.0,<3.9.1 || >3.9.1,<3.10
Because no versions of setuptools match >83.0.0,<84.0.0
and setuptools (83.0.0) requires Python >=3.10, setuptools is forbidden.
So, because symphony-bdk-python depends on setuptools (^83.0.0), version solving failed.
* Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
For setuptools, a possible solution would be to set the `python` property to "<empty>"
https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
https://python-poetry.org/docs/dependency-specification/#using-environment-markers

@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 1dabf62 to 6dbf7c8CompareAugust 23, 2026 04:08
@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 6dbf7c8 to 5354c40CompareAugust 26, 2026 09:29
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

Update dependency setuptools to v83 [SECURITY] - #392

Open
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability
Open

Update dependency setuptools to v83 [SECURITY]#392
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability

Conversation

@renovate

@renovaterenovateBot commented Jul 25, 2026

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This PR contains the following updates:

PackageChangeAgeConfidence
setuptools (changelog)^79.0.0^83.0.0ageconfidence

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

CVE-2026-59890 / GHSA-h35f-9h28-mq5c

More information

Details

Summary

When building a source distribution (python -m build --sdist / setup.py sdist), setuptools' FileList applies MANIFEST.in directives (exclude, global-exclude, recursive-exclude, prune) by matching a compiled glob against on-disk file names byte-for-byte, with no Unicode normalization. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a MANIFEST.in rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the .tar.gz and, if published, uploaded to the public, immutable PyPI index.

Details

File names in FileList.files come from os.walk (setuptools/_distutils/filelist.py, _find_all_simple), so on APFS a file written NFD is offered to the matcher in NFD, while the MANIFEST.in pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:

##### setuptools/command/egg_info.py (FileList.global_exclude)defglobal_exclude(self, pattern):
match=translate_pattern(os.path.join('**', pattern)) # fnmatch.translate -> regex, no NFC/NFDreturnself._remove_files(match.match) # byte-level regex over raw os.walk names

A rule written NFC (café = 63 61 66 c3 a9) does not match an on-disk name written NFD (café = 63 61 66 65 cc 81), even though the filesystem treats the two as one file.

A unicodedata.normalize('NFD', ...) helper exists in setuptools/unicode_utils.py (decompose()), but it is never called in the manifest matching path, so neither the pattern nor the walked path is normalized before matching. The only normalization in this area, EggInfoCommand._manifest_normalize, uses filesys_decode (bytes→str decode only, no NFC/NFD) and runs when writing SOURCES.txt, after matching has already occurred.

Impact

MANIFEST.in exclusions are the documented mechanism maintainers use to keep secrets, local configs, and private fixtures out of the published sdist. A non-ASCII excluded file may be published to the public, immutable PyPI index despite the rule — an irreversible disclosure with no visual cue (NFC and NFD forms render identically). Exposure is filesystem-dependent and most relevant on macOS APFS/HFS+, where many maintainers build and publish. Pure-ASCII rules are unaffected.

Proof of concept

With a project containing MANIFEST.in:

global-include *.txt *.json
global-exclude secret_café.txt # rule saved NFC

and an on-disk file secret_café.txt written in NFD, python -m build --sdist packs the secret file into the resulting .tar.gz, while an ASCII control file excluded by the same directive is correctly dropped — isolating the bypass to the NFC-pattern vs. NFD-name mismatch. Reproduced on macOS APFS with setuptools 82.0.1.

Remediation

Normalize both the walked path and each MANIFEST.in pattern to a single canonical form before matching, in both setuptools/command/egg_info.py (FileList) and the vendored setuptools/_distutils/filelist.py. For an exclusion list, err toward excluding more, and document that MANIFEST.in matching is normalization-insensitive on macOS.

Credit

Reported by Tomas Illuminati. Coordinated via CERT/CC VINCE VU#604762.

Severity

  • CVSS Score: 6.1 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

pypa/setuptools (setuptools)

v83.0.0

Compare Source

v82.0.1

Compare Source

v82.0.0

Compare Source

v81.0.0

Compare Source

v80.10.2

Compare Source

v80.10.1

Compare Source

v80.9.0

Compare Source

v80.8.0

Compare Source

v80.7.1

Compare Source

v80.7.0

Compare Source

v80.6.0

Compare Source

v80.4.0

Compare Source

v80.3.1

Compare Source

v80.3.0

Compare Source

v80.2.0

Compare Source

v80.1.0

Compare Source

v80.0.1

Compare Source

v80.0.0

Compare Source


Configuration

📅 Schedule: (UTC)

  • Branch creation
    • At any time (no schedule defined)
  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate

renovateBot commented Jul 25, 2026

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ContributorAuthor

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock
Updating dependencies
Resolving dependencies...
The current project's supported Python range (>3.9.0,<3.9.1 || >3.9.1,<3.10) is not compatible with some of the required packages Python requirement:
- setuptools requires Python >=3.10, so it will not be installable for Python >3.9.0,<3.9.1 || >3.9.1,<3.10
Because no versions of setuptools match >83.0.0,<84.0.0
and setuptools (83.0.0) requires Python >=3.10, setuptools is forbidden.
So, because symphony-bdk-python depends on setuptools (^83.0.0), version solving failed.
* Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
For setuptools, a possible solution would be to set the `python` property to "<empty>"
https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
https://python-poetry.org/docs/dependency-specification/#using-environment-markers

@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 1dabf62 to 6dbf7c8CompareAugust 23, 2026 04:08
@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 6dbf7c8 to 5354c40CompareAugust 26, 2026 09:29
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

Update dependency setuptools to v83 [SECURITY] - #392

Open
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability
Open

Update dependency setuptools to v83 [SECURITY]#392
renovate[bot] wants to merge 1 commit into
mainfrom
renovate/pypi-setuptools-vulnerability

Conversation

@renovate

@renovaterenovateBot commented Jul 25, 2026

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This PR contains the following updates:

PackageChangeAgeConfidence
setuptools (changelog)^79.0.0^83.0.0ageconfidence

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

CVE-2026-59890 / GHSA-h35f-9h28-mq5c

More information

Details

Summary

When building a source distribution (python -m build --sdist / setup.py sdist), setuptools' FileList applies MANIFEST.in directives (exclude, global-exclude, recursive-exclude, prune) by matching a compiled glob against on-disk file names byte-for-byte, with no Unicode normalization. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a MANIFEST.in rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the .tar.gz and, if published, uploaded to the public, immutable PyPI index.

Details

File names in FileList.files come from os.walk (setuptools/_distutils/filelist.py, _find_all_simple), so on APFS a file written NFD is offered to the matcher in NFD, while the MANIFEST.in pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:

##### setuptools/command/egg_info.py (FileList.global_exclude)defglobal_exclude(self, pattern):
match=translate_pattern(os.path.join('**', pattern)) # fnmatch.translate -> regex, no NFC/NFDreturnself._remove_files(match.match) # byte-level regex over raw os.walk names

A rule written NFC (café = 63 61 66 c3 a9) does not match an on-disk name written NFD (café = 63 61 66 65 cc 81), even though the filesystem treats the two as one file.

A unicodedata.normalize('NFD', ...) helper exists in setuptools/unicode_utils.py (decompose()), but it is never called in the manifest matching path, so neither the pattern nor the walked path is normalized before matching. The only normalization in this area, EggInfoCommand._manifest_normalize, uses filesys_decode (bytes→str decode only, no NFC/NFD) and runs when writing SOURCES.txt, after matching has already occurred.

Impact

MANIFEST.in exclusions are the documented mechanism maintainers use to keep secrets, local configs, and private fixtures out of the published sdist. A non-ASCII excluded file may be published to the public, immutable PyPI index despite the rule — an irreversible disclosure with no visual cue (NFC and NFD forms render identically). Exposure is filesystem-dependent and most relevant on macOS APFS/HFS+, where many maintainers build and publish. Pure-ASCII rules are unaffected.

Proof of concept

With a project containing MANIFEST.in:

global-include *.txt *.json
global-exclude secret_café.txt # rule saved NFC

and an on-disk file secret_café.txt written in NFD, python -m build --sdist packs the secret file into the resulting .tar.gz, while an ASCII control file excluded by the same directive is correctly dropped — isolating the bypass to the NFC-pattern vs. NFD-name mismatch. Reproduced on macOS APFS with setuptools 82.0.1.

Remediation

Normalize both the walked path and each MANIFEST.in pattern to a single canonical form before matching, in both setuptools/command/egg_info.py (FileList) and the vendored setuptools/_distutils/filelist.py. For an exclusion list, err toward excluding more, and document that MANIFEST.in matching is normalization-insensitive on macOS.

Credit

Reported by Tomas Illuminati. Coordinated via CERT/CC VINCE VU#604762.

Severity

  • CVSS Score: 6.1 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

pypa/setuptools (setuptools)

v83.0.0

Compare Source

v82.0.1

Compare Source

v82.0.0

Compare Source

v81.0.0

Compare Source

v80.10.2

Compare Source

v80.10.1

Compare Source

v80.9.0

Compare Source

v80.8.0

Compare Source

v80.7.1

Compare Source

v80.7.0

Compare Source

v80.6.0

Compare Source

v80.4.0

Compare Source

v80.3.1

Compare Source

v80.3.0

Compare Source

v80.2.0

Compare Source

v80.1.0

Compare Source

v80.0.1

Compare Source

v80.0.0

Compare Source


Configuration

📅 Schedule: (UTC)

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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renovateBot commented Jul 25, 2026

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock
Updating dependencies
Resolving dependencies...
The current project's supported Python range (>3.9.0,<3.9.1 || >3.9.1,<3.10) is not compatible with some of the required packages Python requirement:
- setuptools requires Python >=3.10, so it will not be installable for Python >3.9.0,<3.9.1 || >3.9.1,<3.10
Because no versions of setuptools match >83.0.0,<84.0.0
and setuptools (83.0.0) requires Python >=3.10, setuptools is forbidden.
So, because symphony-bdk-python depends on setuptools (^83.0.0), version solving failed.
* Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
For setuptools, a possible solution would be to set the `python` property to "<empty>"
https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
https://python-poetry.org/docs/dependency-specification/#using-environment-markers

@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 1dabf62 to 6dbf7c8CompareAugust 23, 2026 04:08
@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 6dbf7c8 to 5354c40CompareAugust 26, 2026 09:29
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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Update dependency setuptools to v83 [SECURITY] - #392

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renovate/pypi-setuptools-vulnerability
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Update dependency setuptools to v83 [SECURITY]#392
renovate[bot] wants to merge 1 commit into
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renovate/pypi-setuptools-vulnerability

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@renovaterenovateBot commented Jul 25, 2026

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This PR contains the following updates:

PackageChangeAgeConfidence
setuptools (changelog)^79.0.0^83.0.0ageconfidence

setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+

CVE-2026-59890 / GHSA-h35f-9h28-mq5c

More information

Details

Summary

When building a source distribution (python -m build --sdist / setup.py sdist), setuptools' FileList applies MANIFEST.in directives (exclude, global-exclude, recursive-exclude, prune) by matching a compiled glob against on-disk file names byte-for-byte, with no Unicode normalization. On normalization-preserving filesystems (notably macOS APFS and HFS+), a file written in NFD and a MANIFEST.in rule written in NFC refer to the same file but are byte-distinct, so the exclusion silently fails to match. A file the maintainer intended to exclude is then packed into the .tar.gz and, if published, uploaded to the public, immutable PyPI index.

Details

File names in FileList.files come from os.walk (setuptools/_distutils/filelist.py, _find_all_simple), so on APFS a file written NFD is offered to the matcher in NFD, while the MANIFEST.in pattern carries the author's editor form (typically NFC). The matching path performs no canonicalization:

##### setuptools/command/egg_info.py (FileList.global_exclude)defglobal_exclude(self, pattern):
match=translate_pattern(os.path.join('**', pattern)) # fnmatch.translate -> regex, no NFC/NFDreturnself._remove_files(match.match) # byte-level regex over raw os.walk names

A rule written NFC (café = 63 61 66 c3 a9) does not match an on-disk name written NFD (café = 63 61 66 65 cc 81), even though the filesystem treats the two as one file.

A unicodedata.normalize('NFD', ...) helper exists in setuptools/unicode_utils.py (decompose()), but it is never called in the manifest matching path, so neither the pattern nor the walked path is normalized before matching. The only normalization in this area, EggInfoCommand._manifest_normalize, uses filesys_decode (bytes→str decode only, no NFC/NFD) and runs when writing SOURCES.txt, after matching has already occurred.

Impact

MANIFEST.in exclusions are the documented mechanism maintainers use to keep secrets, local configs, and private fixtures out of the published sdist. A non-ASCII excluded file may be published to the public, immutable PyPI index despite the rule — an irreversible disclosure with no visual cue (NFC and NFD forms render identically). Exposure is filesystem-dependent and most relevant on macOS APFS/HFS+, where many maintainers build and publish. Pure-ASCII rules are unaffected.

Proof of concept

With a project containing MANIFEST.in:

global-include *.txt *.json
global-exclude secret_café.txt # rule saved NFC

and an on-disk file secret_café.txt written in NFD, python -m build --sdist packs the secret file into the resulting .tar.gz, while an ASCII control file excluded by the same directive is correctly dropped — isolating the bypass to the NFC-pattern vs. NFD-name mismatch. Reproduced on macOS APFS with setuptools 82.0.1.

Remediation

Normalize both the walked path and each MANIFEST.in pattern to a single canonical form before matching, in both setuptools/command/egg_info.py (FileList) and the vendored setuptools/_distutils/filelist.py. For an exclusion list, err toward excluding more, and document that MANIFEST.in matching is normalization-insensitive on macOS.

Credit

Reported by Tomas Illuminati. Coordinated via CERT/CC VINCE VU#604762.

Severity

  • CVSS Score: 6.1 / 10 (Medium)
  • Vector String: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

pypa/setuptools (setuptools)

v83.0.0

Compare Source

v82.0.1

Compare Source

v82.0.0

Compare Source

v81.0.0

Compare Source

v80.10.2

Compare Source

v80.10.1

Compare Source

v80.9.0

Compare Source

v80.8.0

Compare Source

v80.7.1

Compare Source

v80.7.0

Compare Source

v80.6.0

Compare Source

v80.4.0

Compare Source

v80.3.1

Compare Source

v80.3.0

Compare Source

v80.2.0

Compare Source

v80.1.0

Compare Source

v80.0.1

Compare Source

v80.0.0

Compare Source


Configuration

📅 Schedule: (UTC)

  • Branch creation
    • At any time (no schedule defined)
  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate

renovateBot commented Jul 25, 2026

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock
Updating dependencies
Resolving dependencies...
The current project's supported Python range (>3.9.0,<3.9.1 || >3.9.1,<3.10) is not compatible with some of the required packages Python requirement:
- setuptools requires Python >=3.10, so it will not be installable for Python >3.9.0,<3.9.1 || >3.9.1,<3.10
Because no versions of setuptools match >83.0.0,<84.0.0
and setuptools (83.0.0) requires Python >=3.10, setuptools is forbidden.
So, because symphony-bdk-python depends on setuptools (^83.0.0), version solving failed.
* Check your dependencies Python requirement: The Python requirement can be specified via the `python` or `markers` properties
For setuptools, a possible solution would be to set the `python` property to "<empty>"
https://python-poetry.org/docs/dependency-specification/#python-restricted-dependencies,
https://python-poetry.org/docs/dependency-specification/#using-environment-markers

@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 1dabf62 to 6dbf7c8CompareAugust 23, 2026 04:08
@renovate
renovateBotforce-pushed the renovate/pypi-setuptools-vulnerability branch from 6dbf7c8 to 5354c40CompareAugust 26, 2026 09:29
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