CVE-2026-104843

medium

Description

uv is a Python package and project manager written in Rust. From 0.12.7 until 0.12.18, uv wheel extraction on Windows can process a malicious wheel in a way that writes a file outside the installation prefix, including an executable in a directory already present on the user's PATH. Non-Windows hosts are not affected. This issue is fixed in version 0.12.18.

References

https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7

https://github.com/astral-sh/uv/releases/tag/0.12.18

https://github.com/astral-sh/uv/pull/21923

https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-91675

Details

Source: Mitre, NVD

Published: 2026-10-02

Updated: 2026-10-02

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

CVSS v4

Base Score: 5.9

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00426