CVE-2026-26960 – node-tar has Arbitrary File Read/Write via Hardlink Target Escape Through Symlink Chain in Extraction

CVE ID : CVE-2026-26960

Published : Feb. 20, 2026, 2:16 a.m. | 44 minutes ago

Description : node-tar is a full-featured Tar for Node.js. When using default options in versions 7.5.7 and below, an attacker-controlled archive can create a hardlink inside the extraction directory that points to a file outside the extraction root, enabling arbitrary file read and write as the extracting user. Severity is high because the primitive bypasses path protections and turns archive extraction into a direct filesystem access primitive. This issue has been fixed in version 7.5.8.

Severity: 7.1 | HIGH

Visit the link for more details, such as CVSS details, affected products, timeline, and more…