{"id":"CVE-2026-104843","summary":"uv: Path traversal on Windows through wheel extraction","details":"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.","aliases":["GHSA-2cv4-cqwr-gwf7"],"modified":"2026-10-04T02:32:09.856531646Z","published":"2026-10-02T15:29:15.517Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-22"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104843.json"},"references":[{"type":"WEB","url":"https://github.com/astral-sh/uv/releases/tag/0.12.18"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104843.json"},{"type":"ADVISORY","url":"https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104843"},{"type":"FIX","url":"https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b"},{"type":"FIX","url":"https://github.com/astral-sh/uv/pull/21923"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/astral-sh/uv","events":[{"introduced":"61291a8ca5477a9ca653f14d2ac5665587c263fa"},{"fixed":"67169645278ce082638d619beefa6d062540843b"},{"fixed":"01cb90c1a4f88af09906cb60de9766d2add4a062"}],"database_specific":{"source":["AFFECTED_FIELD","REFERENCES"],"extracted_events":[{"introduced":"0.12.7"},{"fixed":"0.12.18"}]}}],"versions":["0.12.17","0.12.16","0.12.15","0.12.14","0.12.13","0.12.12","0.12.11","0.12.10","0.12.9","0.12.8","0.12.7"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-104843.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}