PYSEC-2026-3838 GitPython: Unguarded git read-tree option forwarding in IndexFile.from_tree/reset/merge_tree enables arbitrary file overwrite

Summary IndexFile.fromtree, IndexFile.reset → fromtree and IndexFile.mergetree append caller-influenced treeish strings positionally to git read-tree with no unsafe-option guard, no allowunsafeoptions parameter, and no -- separator. git read-tree --index-output= writes the resulting index to an...

Duplicate Advisory: GitPython: Unguarded git read-tree option forwarding in IndexFile.from_tree/reset/merge_tree enables arbitrary file overwrite

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-4gmw-gg2m-w46p. This link is maintained to preserve external references. Original Description GitPython versions before 3.1.58 contain an arbitrary file overwrite vulnerability in IndexFile.fromtree,...

CVE-2026-76219

GitPython versions before 3.1.58 contain an arbitrary file overwrite vulnerability in IndexFile.fromtree, IndexFile.reset, and IndexFile.mergetree methods that append caller-influenced treeish strings to git read-tree without option validation or argument separation. Attackers can inject the...

CVE-2026-76219

GitPython before 3.1.58 allows arbitrary file overwrite via injection of the --index-output option into git read-tree in IndexFile.from_tree, reset, and merge_tree methods. With low privileges, attackers destroy content at writable paths. CVSS 8.1 HIGH. Upgrade to 3.1.58. No in-the-wild exploitat...