node-tar: Hardlink Path Traversal via Drive-Relative Linkpath

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-29786 · CVE overview and exploitation status

EUVD-2026-10164

GHSA-qffp-2rhf-9h96

cve-program · CVE-2026-29786

• https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96
• https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f

euvd · EUVD-2026-10164

• https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96
• https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f

nvd · CVE-2026-29786

• https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f
• https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96
• https://access.redhat.com/security/cve/CVE-2026-29786
• https://bugzilla.redhat.com/show_bug.cgi?id=2445476
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29786.json

osv · GHSA-qffp-2rhf-9h96

• https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96
• https://nvd.nist.gov/vuln/detail/CVE-2026-29786
• https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f
• https://github.com/isaacs/node-tar

• node-tar is a full-featured Tar for Node.js. Prior to version 7.5.10, tar can be tricked into creating a hardlink that points outside the extraction directory by using a drive-relative link target such as C:../target.txt, which enables file… · Advisory content revised · 15 Nov 2026