Skip to content
CVE PROGRAM SOURCE RECORD8.7 High

CVE-2025-71437

Astral uv through 0.8.21 Path Traversal via Symlinks in Sdist Tar Extraction

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

astral-sh uv

Default version status: unaffected

  • 0 to ≤ 0.8.21affected
pkg:pypi/uv

References