Duplicate Advisory: GitPython 3.1.59: --no-index bypasses diff unsafe-option protections and enables a blind local-file content oracle

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-whh4-5q6c-9v3x. This link is maintained to preserve external references. Original Description GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read...

CVE-2026-87818

GitPython 3.1.59 fails to restrict the --no-index option in its high-level diff API, allowing an authenticated remote attacker to read arbitrary filesystem paths by passing them as repository operands. By combining --no-index with -I/--ignore-matching-lines , an attacker can build a content-depen...