{"id":"CVE-2026-114094","published":"2026-10-21T01:17:34.580","lastModified":"2026-10-21T01:17:34.713","description":"Dulwich before 1.2.9 fails to validate DOS drive letter prefixes in Git tree path elements on Windows, allowing arbitrary file write. Attackers can craft a malicious repository with a tree entry named 'C:' that bypasses NTFS validation and writes files outside the worktree to achieve remote code execution.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://github.com/jelmer/dulwich/security/advisories/GHSA-8mcx-5rqc-vhmf","tags":[]},{"url":"https://www.vulncheck.com/advisories/dulwich-before-1.2.9-arbitrary-file-write-via-dos-drive-letter-paths","tags":[]}],"exploitRefs":[{"url":"https://github.com/jelmer/dulwich/security/advisories/GHSA-8mcx-5rqc-vhmf","tags":[]}],"hasPoc":true,"ai":null}