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THREAT OPS › Threat News › [NVD] CVE-2026-29786 (MEDIUM 6.3) — 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

[NVD] CVE-2026-29786 (MEDIUM 6.3) — 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

lownvdPublished 2026-03-07

CVE-2026-29786 CVSS: 6.3 MEDIUM Published: 2026-03-07T16:15:55.587

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 vers

MITRE ATT&CK techniques

Link TargetT1608.005

Indicators of compromise

CVE-2026-29786cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-29786