{"id":"CVE-2026-114094","summary":"Dulwich before 1.2.9 Arbitrary File Write via DOS drive letter paths","details":"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.","aliases":["GHSA-8mcx-5rqc-vhmf"],"modified":"2026-10-21T10:45:31.306726052Z","published":"2026-10-21T00:36:58.401Z","database_specific":{"cwe_ids":["CWE-22"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114094.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114094.json"},{"type":"ADVISORY","url":"https://github.com/jelmer/dulwich/security/advisories/GHSA-8mcx-5rqc-vhmf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114094"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/dulwich-before-1.2.9-arbitrary-file-write-via-dos-drive-letter-paths"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jelmer/dulwich","events":[{"introduced":"0"},{"fixed":"c93ab9ba019c7691d170253f557252030a6e0981"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"0"},{"fixed":"1.2.9"}],"source":"AFFECTED_FIELD"}]}}],"versions":["dulwich-1.2.8","dulwich-1.2.7","dulwich-1.2.6","dulwich-1.2.5","dulwich-1.2.4","dulwich-1.2.3","dulwich-1.2.2","dulwich-1.2.1","dulwich-1.2.0","dulwich-1.1.0","dulwich-1.0.0","dulwich-0.25.2","dulwich-0.25.1","dulwich-0.25.0","dulwich-0.24.8","dulwich-0.24.7","dulwich-0.24.6","dulwich-0.24.5","dulwich-0.24.2","dulwich-0.24.1","dulwich-0.24.0","dulwich-0.23.2","dulwich-0.23.1","dulwich-0.22.8","dulwich-0.22.7","dulwich-0.22.6","dulwich-0.22.5","dulwich-0.22.4","dulwich-0.22.3","dulwich-0.22.2","dulwich-0.22.1","dulwich-0.22.0","dulwich-0.21.7","dulwich-0.21.6","dulwich-0.21.5","dulwich-0.21.4.1","dulwich-0.21.3","dulwich-0.21.2","dulwich-0.21.1","dulwich-0.21.0","dulwich-0.20.50","dulwich-0.20.44","dulwich-0.20.43","dulwich-0.20.42","dulwich-0.20.41","dulwich-0.20.40","dulwich-0.20.39","dulwich-0.20.38","dulwich-0.20.37","dulwich-0.20.36","dulwich-0.20.35","dulwich-0.20.34","dulwich-0.20.33","dulwich-0.20.32","dulwich-0.20.25","dulwich-0.20.30","dulwich-0.20.29","dulwich-0.20.28","dulwich-0.20.27","dulwich-0.20.26","dulwich-0.20.24","dulwich-0.20.23","dulwich-0.20.22","dulwich-0.20.21","dulwich-0.20.20","dulwich-0.20.19","dulwich-0.20.18","dulwich-0.20.17","dulwich-0.20.15","dulwich-0.20.14","dulwich-0.20.13","dulwich-0.20.12","dulwich-0.20.11","dulwich-0.20.9","dulwich-0.20.8","dulwich-0.20.7","dulwich-0.20.6","dulwich-0.20.5","dulwich-0.20.4","dulwich-0.20.3","dulwich-0.20.2","dulwich-0.20.1","dulwich-0.20.0","dulwich-0.19.16","dulwich-0.19.15","dulwich-0.19.14","dulwich-0.19.13","dulwich-0.19.12","dulwich-0.19.11","dulwich-0.19.10","dulwich-0.19.9","dulwich-0.19.8","dulwich-0.19.7","dulwich-0.19.6","dulwich-0.19.5","dulwich-0.19.4","dulwich-0.19.3","dulwich-0.19.2-2","dulwich-0.19.2-1","dulwich-0.19.2","dulwich-0.19.1","dulwich-0.19.0","dulwich-0.18.6","dulwich-0.18.5","dulwich-0.18.4","dulwich-0.18.3","dulwich-0.18.2","dulwich-0.18.1","dulwich-0.18.0","dulwich-0.17.3","dulwich-0.17.2","dulwich-0.17.1","dulwich-0.17.0","dulwich-0.16.3","dulwich-0.16.2","dulwich-0.16.1","dulwich-0.16.0","dulwich-0.15.0","dulwich-0.14.1","dulwich-0.14.0","dulwich-0.13.0","dulwich-0.12.0","dulwich-0.11.1","dulwich-0.11.0","dulwich-0.10.1","dulwich-0.10.0","dulwich-0.9.8","dulwich-0.9.7","dulwich-0.9.6","dulwich-0.9.5","dulwich-0.9.4","dulwich-0.9.3","dulwich-0.9.2","dulwich-0.9.1","dulwich-0.9.0","dulwich-0.8.7","dulwich-0.8.6","dulwich-0.8.5","dulwich-0.8.4","dulwich-0.8.3","dulwich-0.8.2","dulwich-0.8.1","dulwich-0.8.0","dulwich-0.7.1","dulwich-0.7.0","dulwich-0.6.2","dulwich-0.6.1","dulwich-0.6.0","dulwich-0.5.0","dulwich-0.4.1","dulwich-0.4.0","dulwich-0.3.3","dulwich-0.3.2","dulwich-0.3.1","dulwich-0.3.0","dulwich-0.2.1","dulwich-0.2.0","dulwich-0.1.1","dulwich-0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-114094.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}