SB2026022432 - Path traversal in node-tar
Published: February 24, 2026
Breakdown by Severity
- 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.