CVE-2026-31802: node-tar Symlink Path Traversal via Drive-Relative Linkpath

Overview

Severity
Medium (CVSS 5.5)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-14
Last Updated
2026-08-07
EPSS Score
0.25% (percentile: 16.8%)

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 3 repositories

Affected Products (1)

Open Source Software

  • cbl2 tar 1.34-3 on CBL Mariner 2.0

Revision History

  • 2026-03-14: Information published.
  • 2026-08-07: Information published.