CVE-2025-13327CWE-1286

Uv: uv: specially crafted zip archives lead to arbitrary code execution due to parsing differentials

Medium · published February 27, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
4.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00156 · 4.4th percentile
Weakness
CWE-1286 · Improper Validation of Syntactic Correctness of Input
Published
2026-02-27T07:30Z
EPSS history
Timeline
  • 27 FEB 07:30Z
    Uv: uv: specially crafted zip archives lead to arbitrary code execution due to parsing differentials
    cvelistv5