{"cve":"CVE-2026-104843","nvd":{"published":"2026-10-02T16:16:46.760","modified":"2026-10-02T18:44:11.270","status":"Awaiting Analysis","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.","cvss_v4":{"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","score":5.9},"cvss_v3":null,"cwes":["CWE-22"],"references":["https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b","https://github.com/astral-sh/uv/pull/21923","https://github.com/astral-sh/uv/releases/tag/0.12.18","https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:57:46.668721662+00:00"},"epss":{"cve":"CVE-2026-104843","score":0.00426,"percentile":0.36553,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-2cv4-cqwr-gwf7","url":"https://osv.dev/vulnerability/GHSA-2cv4-cqwr-gwf7","summary":"uv: Path traversal on Windows through wheel extraction","modified":"2026-10-15T14:55:34.900224098Z","packages":[{"ecosystem":"PyPI","name":"uv","purl":"pkg:pypi/uv","ranges":[">=0.12.7 <0.12.18"],"fixed":["0.12.18"]},{"ecosystem":"crates.io","name":"uv","purl":"pkg:cargo/uv","ranges":[">=0.12.7 <0.12.18"],"fixed":["0.12.18"]}]},{"id":"PYSEC-2026-4305","url":"https://osv.dev/vulnerability/PYSEC-2026-4305","summary":"uv: Path traversal on Windows through wheel extraction","modified":"2026-10-15T14:45:14.730124938Z","packages":[{"ecosystem":"PyPI","name":"uv","purl":"pkg:pypi/uv","ranges":[">=0.12.7 <0.12.18"],"fixed":["0.12.18"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}