PT-2026-7626 · Nanotar · Nanotar

Published 2026-02-11 · Updated 2026-02-12 · CVE-2025-69874

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions nanotar versions through 0.2.0

Description The nanotar software contains a path traversal flaw within the parseTar() and parseTarGzip() functions. This allows attackers to potentially write files to locations outside the intended extraction directory by supplying a specially crafted tar archive that includes path traversal sequences.

Recommendations Update to a version of nanotar greater than 0.2.0.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2025-69874

GHSA-92FH-27VV-894W

Affected Products

Nanotar

References · 10

• 🔥 https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69874-nanotar-Path-Traversal.md · Exploit
• https://osv.dev/vulnerability/GHSA-92fh-27vv-894w · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-69874 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-69874 · Security Note
• https://github.com/unjs/nanotar · Note
• https://npmjs.com/package/nanotar · Note
• https://twitter.com/_cvereports/status/2021663051456426028 · Twitter Post
• https://t.me/CVEtracker/44447 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2021764626698883308 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1r2tzxw/resumen_diario_de_vulnerabilidades_12022026 · Reddit Post