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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (3.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2025-13327 (Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Issue Tracking)
- github.com/astral-sh/uv (Product)
- github.com/astral-sh/uv/commit/da659fee4898a73dbc75070f3e82d49f745e4628 (Patch)
- github.com/astral-sh/uv/security/advisories/GHSA-pqhf-p39g-3x64 (Vendor Advisory)
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.