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.
Published: 2026-10-02
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-2cv4-cqwr-gwf7 uv: Path traversal on Windows through wheel extraction
History

Tue, 06 Oct 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Astral
Astral uv
Vendors & Products Astral
Astral uv

Sat, 03 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important


Fri, 02 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 02 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title uv: Path traversal on Windows through wheel extraction
Weaknesses CWE-22
References
Metrics cvssV4_0

{'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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-02T16:00:53.033Z

Reserved: 2026-10-02T14:38:43.243Z

Link: CVE-2026-104843

cve-icon Vulnrichment

Updated: 2026-10-02T16:00:13.161Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-02T16:16:46.760

Modified: 2026-10-02T18:44:11.270

Link: CVE-2026-104843

cve-icon Redhat

Severity : Important

Publid Date: 2026-10-02T15:29:15Z

Links: CVE-2026-104843 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-06T21:00:06Z

Weaknesses