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Vulnerability record · CVE-2025-69874 · published 11 February 2026

CVE-2025-69874: Unjs nanotar path traversal vulnerability

Unjs · Nanotar

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.

9.8 CVSS 3.1 Critical EPSS 0.86% · top 43.1% CWE-22 · Path traversal
9.8CVSS 3.1 base score
0.86%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69874-nanotar-Path-Traversal.md ExploitThird Party Advisory
https://github.com/unjs/nanotar Product
https://www.npmjs.com/package/nanotar Product

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-69874), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.