CVE-2025-69874: Unjs Nanotar

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

nanotar through 0.2.0 has a path traversal vulnerability in parseTar() and parseTarGzip() that allows remote attackers to write arbitrary files outside the intended extraction directory via a crafted tar archive containing path traversal sequence.

Affected products

• Unjs Nanotar: up to and including 0.2.0

Published 2026-02-11. Last modified 2026-06-17.