CVE-2025-71437

6.5 MEDIUMpublic exploit available

Published 2026-10-21 · Updated 2026-10-22

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weaknesses

CWE-22

Public exploit & PoC references

https://github.com/astral-sh/uv/security/advisories/GHSA-7j9j-68r2-f35q

All references

https://github.com/astral-sh/uv/security/advisories/GHSA-7j9j-68r2-f35q
https://www.vulncheck.com/advisories/astral-uv-through-0.8.21-path-traversal-via-symlinks-in-sdist-tar-extraction

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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