CVE-2025-71437
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Oct 21, 2026
Vendor
unknown
Description
Astral uv before 0.8.22 contains a path traversal vulnerability in source distribution (sdist) tar extraction that allows a specially crafted sequence of symlinks to redirect file writes outside the intended extraction prefix. Attackers can publish a malicious sdist that, when installed by a victim, writes arbitrary files to filesystem locations outside the installation prefix.