CVE-2026-104843
Published:October 02, 2026
Updated:October 09, 2026
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.
Affected Packages
uv (CONDA):
Affected version(s) >=0.12.7 <0.12.18Fix Suggestion:
Update to version 0.12.18https://github.com/astral-sh/uv.git (GITHUB):
Affected version(s) >=0.12.7 <0.12.18Fix Suggestion:
Update to version 0.12.18uv (PYTHON):
Affected version(s) >=0.12.7 <0.12.18Fix Suggestion:
Update to version 0.12.18uv (RUST):
Affected version(s) >=0.12.7 <0.12.18Fix Suggestion:
Update to version 0.12.18uv-extract (RUST):
Affected version(s) >=0.0.74 <0.0.85Fix Suggestion:
Update to version 0.0.85Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS
Base Score:
0.43