{"id":"CVE-2026-104843","state":"PUBLISHED","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.","publishedAt":"2026-10-02T15:29:15.517Z","updatedAt":"2026-10-02T16:00:53.033Z","severity":{"score":5.9,"label":"Medium","version":"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","source":"GitHub_M"},"assigner":"GitHub_M","products":["astral-sh uv"],"affected":[{"vendor":"astral-sh","product":"uv","versions":[{"version":">= 0.12.7, < 0.12.18","status":"affected"}]}],"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"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/104xxx/CVE-2026-104843.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104843","state":"PUBLISHED","datePublished":"2026-10-02T15:29:15.517Z","dateUpdated":"2026-10-02T16:00:53.033Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-02T14:38:43.243Z"},"containers":{"cna":{"title":"uv: Path traversal on Windows through wheel extraction","descriptions":[{"lang":"en","value":"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":[{"vendor":"astral-sh","product":"uv","versions":[{"version":">= 0.12.7, < 0.12.18","status":"affected"}]}],"references":[{"url":"https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7","name":"https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/astral-sh/uv/pull/21923","name":"https://github.com/astral-sh/uv/pull/21923","tags":["x_refsource_MISC"]},{"url":"https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b","name":"https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b","tags":["x_refsource_MISC"]},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.18","name":"https://github.com/astral-sh/uv/releases/tag/0.12.18","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-02T15:29:15.517Z"},"source":{"advisory":"GHSA-2cv4-cqwr-gwf7","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-02T15:57:14.347637Z","id":"CVE-2026-104843","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-02T16:00:53.033Z"}}]}}}