CVE-2025-69874

Published: Feb 11, 2026Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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 (1)

Products: Unjs: Nanotar

Unjs

1 product

Nanotar

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Unjs Nanotar	Up to 0.2.0

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (3)

https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69874-nanotar-Path-Traversal.md

Source: cve@mitre.org

ExploitThird Party Advisory

https://github.com/unjs/nanotar

Source: cve@mitre.org

Product

https://www.npmjs.com/package/nanotar

Source: cve@mitre.org

Product

Timeline

No history available yet.