CVE-2026-76220

High

Description

GitPython before 3.1.58 contains a command execution vulnerability in the check_unsafe_options guard that can be bypassed by combining a single-character kwarg with split_single_char_options=False. Attackers can supply a crafted kwargs dictionary to guarded methods like clone_from to emit a joined token parsed as --upload-pack, enabling arbitrary OS command execution at default allow_unsafe_options=False.

SeverityHigh

CVSS8.8

Exploit probability—

ProductGitpython

PublishedAug 19, 2026

First seenAug 19, 2026

Weakness typeCWE-88CWE-88

How to fix

Update

gitpython_project gitpython3.1.58 or later
gitpython3.1.58 or later

Vendor advisories

github.com/gitpython-developers/GitPython/security/advisories/GHSA-wvpp-8hx9-p66j

Affected products

Product	Affected versions	Fixed in
gitpython_project gitpython	v < 3.1.58	3.1.58
gitpythonPyPI	v < 3.1.58	3.1.58

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