CVE-2026-104843
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.
- CVSS 4.0
- 5.9
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 - EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-25)
- CWE
- CWE-22
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-2cv4-cqwr-gwf7 | PyPI | uv | >=0.12.7 <0.12.18 | 0.12.18 |
| GHSA-2cv4-cqwr-gwf7 | crates.io | uv | >=0.12.7 <0.12.18 | 0.12.18 |
| PYSEC-2026-4305 | PyPI | uv | >=0.12.7 <0.12.18 | 0.12.18 |