{"id":"EUVD-2026-91675","revision":null,"records":[{"revision":"8261ed7d5b57427c94dd4e0af48990dd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-104843","aliases":[],"title":"uv: Path traversal on Windows through wheel extraction","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.","state":0,"publishedAt":"2026-10-02T15:29:15.517+00:00","modifiedAt":"2026-10-02T16:00:53.033+00:00","affected":[{"ecosystem":"Vendor product","name":"uv","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"astral-sh\",\n                    \"product\": \"uv\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 0.12.7, < 0.12.18\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","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,"severity":"MEDIUM"}],"references":["https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7","https://github.com/astral-sh/uv/pull/21923","https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b","https://github.com/astral-sh/uv/releases/tag/0.12.18"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-104843","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-104843","identifiers":["CVE-2026-104843"]},"retained":false,"historicalAffected":[]},{"revision":"8f8ed72a60f549abb0998a2bfd9dac31","observedAt":"2026-11-09T05:04:38.785+00:00","statement":{"source":"euvd","id":"EUVD-2026-91675","aliases":["CVE-2026-104843","GHSA-2cv4-cqwr-gwf7"],"title":"uv is a Python package and project manager written in Rust. 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This issue is fixed in version 0.12.18.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","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,"severity":null}],"references":["https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7","https://github.com/astral-sh/uv/pull/21923","https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b","https://github.com/astral-sh/uv/releases/tag/0.12.18"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-91675","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 2, 2026, 3:29:15 PM","dateUpdated":"Oct 2, 2026, 4:00:53 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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This issue is fixed in version 0.12.18.","state":0,"publishedAt":"2026-10-02T16:16:46.76+00:00","modifiedAt":"2026-10-02T18:44:11.27+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":5.9,"severity":"MEDIUM"}],"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"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104843","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-22"],"productCriteria":[],"sourceDates":{"published":"2026-10-02T16:16:46.760","lastModified":"2026-10-02T18:44:11.270"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-104843","identifiers":["CVE-2026-104843"]},"retained":false,"historicalAffected":[]},{"revision":"d53eab3e84614a44adee36ed5722ded0","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"GHSA-2cv4-cqwr-gwf7","aliases":["CVE-2026-104843","PYSEC-2026-4305"],"title":"uv: Path traversal on Windows through wheel extraction","description":"### Impact\n\nIn versions of uv from 0.12.7 to 0.12.18 on Windows, uv could be induced into writing a file outside of the installation prefix during wheel installation.\n\nA malicious wheel could use this to place an executable outside of the intended environment, including in a directory already present on the user's PATH. \n\nThis vulnerability only affects Windows hosts; no other platforms are affected.\n\n### Patches\n\nuv 0.12.18 and newer address this vulnerability. Users are encouraged to upgrade to 0.12.18.\n\n### Workarounds\n\nThere is no workaround other than upgrading to uv 0.12.18.","state":0,"publishedAt":"2026-10-05T23:42:09+00:00","modifiedAt":"2026-10-15T14:55:34.9002241+00:00","affected":[{"ecosystem":"PyPI","name":"uv","ranges":[{"type":"ECOSYSTEM","events":[{"kind":"introduced","version":"0.12.7"},{"kind":"fixed","version":"0.12.18"}]}],"versions":["0.12.10","0.12.11","0.12.12","0.12.13","0.12.14","0.12.15","0.12.16","0.12.17","0.12.7","0.12.8","0.12.9"],"rawVersionEvidence":null},{"ecosystem":"crates.io","name":"uv","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0.12.7"},{"kind":"fixed","version":"0.12.18"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"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":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7","https://nvd.nist.gov/vuln/detail/CVE-2026-104843","https://github.com/astral-sh/uv/pull/21923","https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b","https://github.com/astral-sh/uv","https://github.com/astral-sh/uv/releases/tag/0.12.18"],"sourceUrl":"https://github.com/advisories/GHSA-2cv4-cqwr-gwf7","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-2cv4-cqwr-gwf7","identifiers":["GHSA-2cv4-cqwr-gwf7","CVE-2026-104843","PYSEC-2026-4305"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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