PYSEC-2026-2464 Dulwich Vulnerable to Command Injection via Merge Driver Path

Summary Dulwich's ProcessMergeDriver substitutes the file path from the git tree, controllable by an attacker via a malicious branch into the merge driver command via the %P placeholder and executes it with subprocess.run..., shell=True. An attacker who can cause a victim to merge an untrusted...

PT-2026-44725

Name of the Vulnerable Software and Affected Versions Dulwich versions prior to 1.2.5-1.1 Description Command injection occurs in the ProcessMergeDriver when the file path from the git tree is substituted into the merge driver command via the %P placeholder. This command is then executed using...