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CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 #9824

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Closed
CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2#9824

Description

@MikeMcC399
MikeMcC399
opened on Jul 31, 2026

Situation

Steps to reproduce

Scan the latest node:22 Docker image with trivy.

trivy image --ignore-unfixed --pkg-types library --scanners vuln --severity CRITICAL node:22.23.2

Background

  • Node.js 22.23.2 is the latest Node.js 22.x release

  • Node.js 22.x is in status Maintenance LTS until End-of-life on 2027-04-30. The definition of this phase states:

    Maintenance - Critical bug fixes and security updates.

Suggestion

  • Pass npm@10.9.9 to Node.js for bundling into Node.js 22.x

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)) { // Add copy buttons to all 
       blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
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;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 · Issue #9824 · npm/cli · GitHub
      Skip to content
      CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 #9824
      Closed
      Closed
      CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2#9824
      Description
      @MikeMcC399
      MikeMcC399
      opened on Jul 31, 2026
      Situation
      Steps to reproduce
      Scan the latest node:22 Docker image with trivy.
      trivy image --ignore-unfixed --pkg-types library --scanners vuln --severity CRITICAL node:22.23.2
      Background
      • Node.js 22.23.2 is the latest Node.js 22.x release
      • Node.js 22.x is in status Maintenance LTS until End-of-life on 2027-04-30. The definition of this phase states:
        Maintenance - Critical bug fixes and security updates.
      Suggestion
      • Pass npm@10.9.9 to Node.js for bundling into Node.js 22.x
      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)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 · Issue #9824 · npm/cli · GitHub
          Skip to content
          CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 #9824
          Closed
          Closed
          CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2#9824
          Description
          @MikeMcC399
          MikeMcC399
          opened on Jul 31, 2026
          Situation
          Steps to reproduce
          Scan the latest node:22 Docker image with trivy.
          trivy image --ignore-unfixed --pkg-types library --scanners vuln --severity CRITICAL node:22.23.2
          Background
          • Node.js 22.23.2 is the latest Node.js 22.x release
          • Node.js 22.x is in status Maintenance LTS until End-of-life on 2027-04-30. The definition of this phase states:
            Maintenance - Critical bug fixes and security updates.
          Suggestion
          • Pass npm@10.9.9 to Node.js for bundling into Node.js 22.x
          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)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 · Issue #9824 · npm/cli · GitHub
              Skip to content
              CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 #9824
              Closed
              Closed
              CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2#9824
              Description
              @MikeMcC399
              MikeMcC399
              opened on Jul 31, 2026
              Situation
              Steps to reproduce
              Scan the latest node:22 Docker image with trivy.
              trivy image --ignore-unfixed --pkg-types library --scanners vuln --severity CRITICAL node:22.23.2
              Background
              • Node.js 22.23.2 is the latest Node.js 22.x release
              • Node.js 22.x is in status Maintenance LTS until End-of-life on 2027-04-30. The definition of this phase states:
                Maintenance - Critical bug fixes and security updates.
              Suggestion
              • Pass npm@10.9.9 to Node.js for bundling into Node.js 22.x
              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;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 · Issue #9824 · npm/cli · GitHub
                  Skip to content
                  CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 #9824
                  Closed
                  Closed
                  CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2#9824
                  Description
                  @MikeMcC399
                  MikeMcC399
                  opened on Jul 31, 2026
                  Situation
                  Steps to reproduce
                  Scan the latest node:22 Docker image with trivy.
                  trivy image --ignore-unfixed --pkg-types library --scanners vuln --severity CRITICAL node:22.23.2
                  Background
                  • Node.js 22.23.2 is the latest Node.js 22.x release
                  • Node.js 22.x is in status Maintenance LTS until End-of-life on 2027-04-30. The definition of this phase states:
                    Maintenance - Critical bug fixes and security updates.
                  Suggestion
                  • Pass npm@10.9.9 to Node.js for bundling into Node.js 22.x
                  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;
setInterval(function() {
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-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 · Issue #9824 · npm/cli · GitHub
                      Skip to content
                      CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 #9824
                      Closed
                      Closed
                      CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2#9824
                      Description
                      @MikeMcC399
                      MikeMcC399
                      opened on Jul 31, 2026
                      Situation
                      Steps to reproduce
                      Scan the latest node:22 Docker image with trivy.
                      trivy image --ignore-unfixed --pkg-types library --scanners vuln --severity CRITICAL node:22.23.2
                      Background
                      • Node.js 22.23.2 is the latest Node.js 22.x release
                      • Node.js 22.x is in status Maintenance LTS until End-of-life on 2027-04-30. The definition of this phase states:
                        Maintenance - Critical bug fixes and security updates.
                      Suggestion
                      • Pass npm@10.9.9 to Node.js for bundling into Node.js 22.x
                      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';
}
});
}
unstick();
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-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 · Issue #9824 · npm/cli · GitHub
                          Skip to content
                          CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 #9824
                          Closed
                          Closed
                          CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2#9824
                          Description
                          @MikeMcC399
                          MikeMcC399
                          opened on Jul 31, 2026
                          Situation
                          Steps to reproduce
                          Scan the latest node:22 Docker image with trivy.
                          trivy image --ignore-unfixed --pkg-types library --scanners vuln --severity CRITICAL node:22.23.2
                          Background
                          • Node.js 22.23.2 is the latest Node.js 22.x release
                          • Node.js 22.x is in status Maintenance LTS until End-of-life on 2027-04-30. The definition of this phase states:
                            Maintenance - Critical bug fixes and security updates.
                          Suggestion
                          • Pass npm@10.9.9 to Node.js for bundling into Node.js 22.x
                          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
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 · Issue #9824 · npm/cli · GitHub
                              Skip to content
                              CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2 #9824
                              Closed
                              Closed
                              CVE-2026-59873 critical severity vulnerability in tar@7.5.11 for npm@10.9.8 in Node.js 22.23.2#9824
                              Description
                              @MikeMcC399
                              MikeMcC399
                              opened on Jul 31, 2026
                              Situation
                              Steps to reproduce
                              Scan the latest node:22 Docker image with trivy.
                              trivy image --ignore-unfixed --pkg-types library --scanners vuln --severity CRITICAL node:22.23.2
                              Background
                              • Node.js 22.23.2 is the latest Node.js 22.x release
                              • Node.js 22.x is in status Maintenance LTS until End-of-life on 2027-04-30. The definition of this phase states:
                                Maintenance - Critical bug fixes and security updates.
                              Suggestion
                              • Pass npm@10.9.9 to Node.js for bundling into Node.js 22.x
                              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