Vulnerability in Astral Uv

CVE-2025-13327

A flaw was found in uv. This vulnerability allows an attacker to execute malicious code during package resolution or installation via specially crafted ZIP (Zipped Information Package) archives that exploit parsing differentials, requiring user interaction to install an attacker-controlled package.

EPSS: 0.002 (4.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13327?
CVE-2025-13327 is a medium-severity vulnerability in Astral Uv, classified under CWE-1286. CVSS score: 6.3/10. Published 2026-02-27.
How severe is CVE-2025-13327?
Medium severity. CVSS v3 base score is 6.3 out of 10.