CVE-2025-69874

CriticalCVSS 9.8/10Last modified Jun 17, 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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69874-nanotar-Path-Traversal.mdExploit, Third Party Advisory
https://github.com/unjs/nanotarProduct
https://www.npmjs.com/package/nanotarProduct

Timeline

Published: Feb 11, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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