{"cve":"CVE-2026-29786","nvd":{"published":"2026-03-07T16:15:55.587","modified":"2026-09-01T13:18:36.727","status":"Modified","description":"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.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L","score":8.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","score":6.3},"cwes":["CWE-22","CWE-59"],"references":["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"],"products":["isaacs:tar"],"source":"nvd","synced_at":"2026-10-19T22:25:53.701907451+00:00"},"epss":{"cve":"CVE-2026-29786","score":0.00466,"percentile":0.40354,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qffp-2rhf-9h96","url":"https://osv.dev/vulnerability/GHSA-qffp-2rhf-9h96","summary":"tar has Hardlink Path Traversal via Drive-Relative Linkpath","modified":"2026-09-10T03:50:40.605623006Z","packages":[{"ecosystem":"npm","name":"tar","purl":"pkg:npm/tar","ranges":["<7.5.10"],"fixed":["7.5.10"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}