CVE-2026-59871

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, node-tar coerces all-digit PAX path and linkpath values in src/pax.ts to JavaScript numbers, causing downstream path handling such as normalizeWindowsPath(entry.path).split('/') to throw an uncaught TypeError. This issue is fixed in version 7.5.18.

• CWE-704

• https://github.com/isaacs/node-tar/commit/e02a4e9e013c4be95302e2eb2047a942b883c27bPatch
• https://github.com/isaacs/node-tar/releases/tag/v7.5.18Release Notes
• https://github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvpExploit, Vendor Advisory
• https://github.com/isaacs/node-tar/security/advisories/GHSA-w8wr-v893-vjvpExploit, Vendor Advisory

Published

Jul 8, 2026

Last Modified

Jul 10, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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