CVE-2026-29786: node-tar: Hardlink Path Traversal via Drive-Relative Linkpath

Overview

Severity
Medium (CVSS 6.3)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-11
Last Updated
2026-08-07
EPSS Score
0.44% (percentile: 37.0%)

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 2 repositories

Affected Products (1)

Open Source Software

  • cbl2 tar 1.34-3 on CBL Mariner 2.0

Revision History

  • 2026-03-11: Information published.
  • 2026-08-07: Information published.