#VU123172 Path traversal in node-tar - CVE-2026-26960
Published: February 24, 2026
Vulnerability identifier: #VU123172
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-26960
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
node-tar
node-tar
Software vendor:
isaacs
isaacs
Description
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 updates from vendor's website.