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[ CVE-2026-104843 · Published 2 Oct 2026 ]

uv: Path traversal on Windows through wheel extraction

CVSS 5.9 EPSS <1%Fix available

[ Description ]Official description

uv is a Python package and project manager written in Rust. From 0.12.7 until 0.12.18, uv wheel extraction on Windows can process a malicious wheel in a way that writes a file outside the installation prefix, including an executable in a directory already present on the user's PATH. Non-Windows hosts are not affected. This issue is fixed in version 0.12.18.

[ Fixes ]Fixes and patches

  • uv 0.12.18Fixed version · GitHub Advisories · pip package uv: upgrade to 0.12.18 or later (affected >= 0.12.7, < 0.12.18)

[ Packages ]Affected open-source packages

[ References ]References