CVE-2025-69874

9.8 CRITICAL

Published: February 11, 2026 Modified: February 12, 2026

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.

AI Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: cve@mitre.org

https://github.com/unjs/nanotar

Source: cve@mitre.org

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

Source: cve@mitre.org

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

0.2%

48th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-22

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