CVE-2026-114094 [HIGH] – Dulwich before 1.2.9 fails to validate DOS drive letter prefixes in Git tree path elements

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.