GitPython: GitPython: Arbitrary command execution due to bypass of dangerous Git option checks

A flaw was found in GitPython, a Python library used to interact with Git repositories. This vulnerability allows an attacker to achieve arbitrary command execution by providing specially crafted arguments kwargs to functions such as Repo.clonefrom, Remote.fetch, Remote.pull, or Remote.push. This...

GHSA-WWV5-G3V4-889X Tornado: Incomplete fix for CVE-2026-35536: cookie attribute injection re-opened via the legacy case-insensitive `**kwargs` path in `set_cookie`

Summary The CVE-2026-35536 fix added a validation loop that rejects \x00-\x20\x3b\x7f, but only for the hardcoded lowercase keys name/domain/path/samesite. The still-live deprecated kwargs path writes attacker-supplied attribute values straight into the Morsel with no validation, and because...

EUVD-2026-62461

GitPython before 3.1.58 contains a command execution vulnerability in the checkunsafeoptions guard that can be bypassed by combining a single-character kwarg with splitsinglecharoptions=False. Attackers can supply a crafted kwargs dictionary to guarded methods like clonefrom to emit a joined toke...

OESA-2026-2308 python-GitPython security update

GitPython is a python library used to interact with git repositories, high-level like git-porcelain, or low-level like git-plumbing. Security Fixes: Summary GitPython blocks dangerous Git options such as --upload-pack and --receive-pack by default, but the equivalent Python kwargs uploadpack and...