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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
astral-sh uv affected
Version Status Constraints
>= 0.12.7, < 0.12.18 affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b cve-icon cve-icon
https://github.com/astral-sh/uv/pull/21923 cve-icon cve-icon
https://github.com/astral-sh/uv/releases/tag/0.12.18 cve-icon cve-icon
https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7 cve-icon cve-icon
History

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'}

Projects

Sign in to view the affected projects.

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

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-02T16:30:14Z

Weaknesses