CVE-2026-104843

uv: Path traversal on Windows through wheel extraction

State
Published
Severity
5.9 Medium
Published
Oct 2, 2026
Updated
Oct 2, 2026
Reserved
Oct 2, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.05.9 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:NGitHub_M

Weaknesses

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

ProductVersions
uvastral-sh
  • >= 0.12.7, < 0.12.18Affected

References

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