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⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability #2

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⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability#2

Description

@afip-bot
afip-bot
bot
opened on Apr 28, 2026

Security Advisory: CVE-2026-7158

CVSS Score: 7.3 (High)
Published: 2026-04-27T21:16:44.337Z
Severity: High

Description

A vulnerability has been found in the requests library (mcp-url-downloader). The function _validate_url_safe is vulnerable to server-side request forgery (SSRF). Attackers can manipulate URL parameters to bypass validation and access internal resources.

Why this repo may be affected

This repository is a FastAPI template that likely uses the requests library for HTTP operations. The vulnerability affects URL validation in request handlers, potentially allowing SSRF attacks through manipulated URL parameters.

Affected Component

  • Package: requests (or similar HTTP client)
  • Vulnerability Type: Server-Side Request Forgery (SSRF)
  • Attack Vector: Network (Remote)
  • Affected Function: URL validation logic

References

Recommended action

  1. Check if requests library is used for URL handling: grep -r "requests\|urllib" . --include="*.py"
  2. Review all HTTP client calls that accept user-supplied URLs
  3. Implement strict URL validation:
    • Whitelist allowed domains/protocols
    • Reject private IP ranges (127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
    • Validate URL scheme (http/https only)
  4. Update requests library to latest version
  5. Consider using URL parsing libraries like urllib.parse with validation
  6. Open a PR with security fixes and tag this issue security

Detected automatically by AFIP Risk Radar | Scan window: last 30h

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⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability · Issue #2 · Acrosmic-Sandbox/FastAPI-template · GitHub
      Skip to content
      ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability #2
      Open
      Open
      ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability#2
      Description
      @afip-bot
      afip-bot
      bot
      opened on Apr 28, 2026
      Security Advisory: CVE-2026-7158
      CVSS Score: 7.3 (High)
      Published: 2026-04-27T21:16:44.337Z
      Severity: High
      Description
      A vulnerability has been found in the requests library (mcp-url-downloader). The function _validate_url_safe is vulnerable to server-side request forgery (SSRF). Attackers can manipulate URL parameters to bypass validation and access internal resources.
      Why this repo may be affected
      This repository is a FastAPI template that likely uses the requests library for HTTP operations. The vulnerability affects URL validation in request handlers, potentially allowing SSRF attacks through manipulated URL parameters.
      Affected Component
      • Package: requests (or similar HTTP client)
      • Vulnerability Type: Server-Side Request Forgery (SSRF)
      • Attack Vector: Network (Remote)
      • Affected Function: URL validation logic
      References
      Recommended action
      1. Check if requests library is used for URL handling: grep -r "requests\|urllib" . --include="*.py"
      2. Review all HTTP client calls that accept user-supplied URLs
      3. Implement strict URL validation:

        • Whitelist allowed domains/protocols
        • Reject private IP ranges (127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
        • Validate URL scheme (http/https only)
      4. Update requests library to latest version
      5. Consider using URL parsing libraries like urllib.parse with validation
      6. Open a PR with security fixes and tag this issue security
      Detected automatically by AFIP Risk Radar | Scan window: last 30h
      Metadata
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      No one assigned
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        No labels
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        No type
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          No milestone
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          None yet
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          No branches or pull requests
          Issue actions
          
, 'i');
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var __m = "*";
var __re = new RegExp('^' + ".*" + '
⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability · Issue #2 · Acrosmic-Sandbox/FastAPI-template · GitHub
          Skip to content
          ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability #2
          Open
          Open
          ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability#2
          Description
          @afip-bot
          afip-bot
          bot
          opened on Apr 28, 2026
          Security Advisory: CVE-2026-7158
          CVSS Score: 7.3 (High)
          Published: 2026-04-27T21:16:44.337Z
          Severity: High
          Description
          A vulnerability has been found in the requests library (mcp-url-downloader). The function _validate_url_safe is vulnerable to server-side request forgery (SSRF). Attackers can manipulate URL parameters to bypass validation and access internal resources.
          Why this repo may be affected
          This repository is a FastAPI template that likely uses the requests library for HTTP operations. The vulnerability affects URL validation in request handlers, potentially allowing SSRF attacks through manipulated URL parameters.
          Affected Component
          • Package: requests (or similar HTTP client)
          • Vulnerability Type: Server-Side Request Forgery (SSRF)
          • Attack Vector: Network (Remote)
          • Affected Function: URL validation logic
          References
          Recommended action
          1. Check if requests library is used for URL handling: grep -r "requests\|urllib" . --include="*.py"
          2. Review all HTTP client calls that accept user-supplied URLs
          3. Implement strict URL validation:

            • Whitelist allowed domains/protocols
            • Reject private IP ranges (127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
            • Validate URL scheme (http/https only)
          4. Update requests library to latest version
          5. Consider using URL parsing libraries like urllib.parse with validation
          6. Open a PR with security fixes and tag this issue security
          Detected automatically by AFIP Risk Radar | Scan window: last 30h
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            No labels
            No labels
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            No type
            Projects
            No projects
              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
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Array.from(node.childNodes).forEach(highlight);
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observer.observe(document.body, { childList: true, subtree: true });
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} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability · Issue #2 · Acrosmic-Sandbox/FastAPI-template · GitHub
              Skip to content
              ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability #2
              Open
              Open
              ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability#2
              Description
              @afip-bot
              afip-bot
              bot
              opened on Apr 28, 2026
              Security Advisory: CVE-2026-7158
              CVSS Score: 7.3 (High)
              Published: 2026-04-27T21:16:44.337Z
              Severity: High
              Description
              A vulnerability has been found in the requests library (mcp-url-downloader). The function _validate_url_safe is vulnerable to server-side request forgery (SSRF). Attackers can manipulate URL parameters to bypass validation and access internal resources.
              Why this repo may be affected
              This repository is a FastAPI template that likely uses the requests library for HTTP operations. The vulnerability affects URL validation in request handlers, potentially allowing SSRF attacks through manipulated URL parameters.
              Affected Component
              • Package: requests (or similar HTTP client)
              • Vulnerability Type: Server-Side Request Forgery (SSRF)
              • Attack Vector: Network (Remote)
              • Affected Function: URL validation logic
              References
              Recommended action
              1. Check if requests library is used for URL handling: grep -r "requests\|urllib" . --include="*.py"
              2. Review all HTTP client calls that accept user-supplied URLs
              3. Implement strict URL validation:

                • Whitelist allowed domains/protocols
                • Reject private IP ranges (127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
                • Validate URL scheme (http/https only)
              4. Update requests library to latest version
              5. Consider using URL parsing libraries like urllib.parse with validation
              6. Open a PR with security fixes and tag this issue security
              Detected automatically by AFIP Risk Radar | Scan window: last 30h
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                No labels
                No labels
                Type
                No type
                Projects
                No projects
                  Milestone
                  No milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
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mutations.forEach(function(m) {
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observer.observe(document.body, { childList: true, subtree: true });
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})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability · Issue #2 · Acrosmic-Sandbox/FastAPI-template · GitHub
                  Skip to content
                  ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability #2
                  Open
                  Open
                  ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability#2
                  Description
                  @afip-bot
                  afip-bot
                  bot
                  opened on Apr 28, 2026
                  Security Advisory: CVE-2026-7158
                  CVSS Score: 7.3 (High)
                  Published: 2026-04-27T21:16:44.337Z
                  Severity: High
                  Description
                  A vulnerability has been found in the requests library (mcp-url-downloader). The function _validate_url_safe is vulnerable to server-side request forgery (SSRF). Attackers can manipulate URL parameters to bypass validation and access internal resources.
                  Why this repo may be affected
                  This repository is a FastAPI template that likely uses the requests library for HTTP operations. The vulnerability affects URL validation in request handlers, potentially allowing SSRF attacks through manipulated URL parameters.
                  Affected Component
                  • Package: requests (or similar HTTP client)
                  • Vulnerability Type: Server-Side Request Forgery (SSRF)
                  • Attack Vector: Network (Remote)
                  • Affected Function: URL validation logic
                  References
                  Recommended action
                  1. Check if requests library is used for URL handling: grep -r "requests\|urllib" . --include="*.py"
                  2. Review all HTTP client calls that accept user-supplied URLs
                  3. Implement strict URL validation:

                    • Whitelist allowed domains/protocols
                    • Reject private IP ranges (127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
                    • Validate URL scheme (http/https only)
                  4. Update requests library to latest version
                  5. Consider using URL parsing libraries like urllib.parse with validation
                  6. Open a PR with security fixes and tag this issue security
                  Detected automatically by AFIP Risk Radar | Scan window: last 30h
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    No labels
                    No labels
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
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if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability · Issue #2 · Acrosmic-Sandbox/FastAPI-template · GitHub
                      Skip to content
                      ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability #2
                      Open
                      Open
                      ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability#2
                      Description
                      @afip-bot
                      afip-bot
                      bot
                      opened on Apr 28, 2026
                      Security Advisory: CVE-2026-7158
                      CVSS Score: 7.3 (High)
                      Published: 2026-04-27T21:16:44.337Z
                      Severity: High
                      Description
                      A vulnerability has been found in the requests library (mcp-url-downloader). The function _validate_url_safe is vulnerable to server-side request forgery (SSRF). Attackers can manipulate URL parameters to bypass validation and access internal resources.
                      Why this repo may be affected
                      This repository is a FastAPI template that likely uses the requests library for HTTP operations. The vulnerability affects URL validation in request handlers, potentially allowing SSRF attacks through manipulated URL parameters.
                      Affected Component
                      • Package: requests (or similar HTTP client)
                      • Vulnerability Type: Server-Side Request Forgery (SSRF)
                      • Attack Vector: Network (Remote)
                      • Affected Function: URL validation logic
                      References
                      Recommended action
                      1. Check if requests library is used for URL handling: grep -r "requests\|urllib" . --include="*.py"
                      2. Review all HTTP client calls that accept user-supplied URLs
                      3. Implement strict URL validation:

                        • Whitelist allowed domains/protocols
                        • Reject private IP ranges (127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
                        • Validate URL scheme (http/https only)
                      4. Update requests library to latest version
                      5. Consider using URL parsing libraries like urllib.parse with validation
                      6. Open a PR with security fixes and tag this issue security
                      Detected automatically by AFIP Risk Radar | Scan window: last 30h
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        No labels
                        No labels
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
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var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability · Issue #2 · Acrosmic-Sandbox/FastAPI-template · GitHub
                          Skip to content
                          ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability #2
                          Open
                          Open
                          ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability#2
                          Description
                          @afip-bot
                          afip-bot
                          bot
                          opened on Apr 28, 2026
                          Security Advisory: CVE-2026-7158
                          CVSS Score: 7.3 (High)
                          Published: 2026-04-27T21:16:44.337Z
                          Severity: High
                          Description
                          A vulnerability has been found in the requests library (mcp-url-downloader). The function _validate_url_safe is vulnerable to server-side request forgery (SSRF). Attackers can manipulate URL parameters to bypass validation and access internal resources.
                          Why this repo may be affected
                          This repository is a FastAPI template that likely uses the requests library for HTTP operations. The vulnerability affects URL validation in request handlers, potentially allowing SSRF attacks through manipulated URL parameters.
                          Affected Component
                          • Package: requests (or similar HTTP client)
                          • Vulnerability Type: Server-Side Request Forgery (SSRF)
                          • Attack Vector: Network (Remote)
                          • Affected Function: URL validation logic
                          References
                          Recommended action
                          1. Check if requests library is used for URL handling: grep -r "requests\|urllib" . --include="*.py"
                          2. Review all HTTP client calls that accept user-supplied URLs
                          3. Implement strict URL validation:

                            • Whitelist allowed domains/protocols
                            • Reject private IP ranges (127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
                            • Validate URL scheme (http/https only)
                          4. Update requests library to latest version
                          5. Consider using URL parsing libraries like urllib.parse with validation
                          6. Open a PR with security fixes and tag this issue security
                          Detected automatically by AFIP Risk Radar | Scan window: last 30h
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            No labels
                            No labels
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
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⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability · Issue #2 · Acrosmic-Sandbox/FastAPI-template · GitHub
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                              ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability #2
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                              ⚠️ CVE-2026-7158 (CVSS 7.3) — requests library SSRF vulnerability#2
                              Description
                              @afip-bot
                              afip-bot
                              bot
                              opened on Apr 28, 2026
                              Security Advisory: CVE-2026-7158
                              CVSS Score: 7.3 (High)
                              Published: 2026-04-27T21:16:44.337Z
                              Severity: High
                              Description
                              A vulnerability has been found in the requests library (mcp-url-downloader). The function _validate_url_safe is vulnerable to server-side request forgery (SSRF). Attackers can manipulate URL parameters to bypass validation and access internal resources.
                              Why this repo may be affected
                              This repository is a FastAPI template that likely uses the requests library for HTTP operations. The vulnerability affects URL validation in request handlers, potentially allowing SSRF attacks through manipulated URL parameters.
                              Affected Component
                              • Package: requests (or similar HTTP client)
                              • Vulnerability Type: Server-Side Request Forgery (SSRF)
                              • Attack Vector: Network (Remote)
                              • Affected Function: URL validation logic
                              References
                              Recommended action
                              1. Check if requests library is used for URL handling: grep -r "requests\|urllib" . --include="*.py"
                              2. Review all HTTP client calls that accept user-supplied URLs
                              3. Implement strict URL validation:

                                • Whitelist allowed domains/protocols
                                • Reject private IP ranges (127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16)
                                • Validate URL scheme (http/https only)
                              4. Update requests library to latest version
                              5. Consider using URL parsing libraries like urllib.parse with validation
                              6. Open a PR with security fixes and tag this issue security
                              Detected automatically by AFIP Risk Radar | Scan window: last 30h
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