CVE-2025-69874: nanotar is vulnerable to path traversal in parseTar() and parseTarGzip()

February 11, 2026

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.

References

github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69874-nanotar-Path-Traversal.md
github.com/advisories/GHSA-92fh-27vv-894w
github.com/unjs/nanotar
nvd.nist.gov/vuln/detail/CVE-2025-69874
www.npmjs.com/package/nanotar

Code Behaviors & Features

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