{"id":"CVE-2026-104843","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-104843","generatedAt":"2026-10-28T01:53:00.153Z","title":"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.","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.","published":"2026-10-02T16:16:47.000Z","lastModified":"2026-10-02T18:44:11.000Z","status":"Awaiting Analysis","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":5.9,"severity":"MEDIUM","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/M"},"cwe":["CWE-22"],"affected":[],"epss":{"score":0.00426,"percentile":0.36582,"date":"2026-10-26","history":[{"date":"2026-10-03","score":0.00426,"percentile":0.34611}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-02T16:16:47.000Z","detail":{"score":"5.9","severity":"MEDIUM","publishedAt":"2026-10-02T16:16:46.760Z"},"summary":"New CVE, medium severity (CVSS 5.9)."}],"references":[{"url":"https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b","source":"security-advisories@github.com"},{"url":"https://github.com/astral-sh/uv/pull/21923","source":"security-advisories@github.com"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.18","source":"security-advisories@github.com"},{"url":"https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-104843","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}