SB2026022432 - Path traversal in node-tar



SB2026022432 - Path traversal in node-tar

Published: February 24, 2026

Security Bulletin ID SB2026022432
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Path traversal (CVE-ID: CVE-2026-26960)

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the tar.extract() function when handling hardlinks inside archives. A remote user can pass a specially crafted archive to the application and read or write files to arbitrary locations on the system. 


Remediation

Install update from vendor's website.