{"id":"CVE-2026-29786","aliases":["GHSA-qffp-2rhf-9h96"],"url":"https://o3.security/vulnerability/CVE-2026-29786","summary":"node-tar: Hardlink Path Traversal via Drive-Relative Linkpath","details":"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 overwrite outside cwd during normal tar.x() extraction. This issue has been patched in version 7.5.10.","published":"2026-03-07T15:32:22.748Z","modified":"2026-08-07T11:50:15.179901879Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"tar","fixedVersion":"7.5.10"}],"fix":{"url":"https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f","label":"isaacs/node-tar@7bc755d"},"references":[{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29786.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-29786"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29786.json"},{"type":"ADVISORY","url":"https://github.com/isaacs/node-tar/security/advisories/GHSA-qffp-2rhf-9h96"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29786"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445476"},{"type":"FIX","url":"https://github.com/isaacs/node-tar/commit/7bc755dd85e623c0279e08eb3784909e6d7e4b9f"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:50:15.179901879Z"}}