Incomplete List of Disallowed Inputs in GitPython - CVE-2026-73623

Vulnerability identifier: #VU139090

CSH Severity: Low

CVSS v4: 7.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-73623

CWE-ID: CWE-184

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to execute arbitrary commands.

The vulnerability exists due to an incomplete list of disallowed inputs in unsafe_git_clone_options in base.py when processing clone options. A remote user can supply the --template option pointing to a directory containing a crafted hook to execute arbitrary commands.

Exploitation requires an attacker-readable directory containing an executable hook, and the post-checkout hook is executed during clone.

GitPython
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Desktop 15
Python 3 Module
openSUSE Leap
openEuler
python311-GitPython
python-GitPython
python-GitPython-help
python3-GitPython

Install security update from vendor's website.

GitPython - update to 3.1.54
python311-GitPython - update to 3.1.34.1693646983.2a2ae77-150400.9.8.1
python-GitPython - update to 3.1.59-1
python-GitPython-help - update to 3.1.59-1
python3-GitPython - update to 3.1.59-1

• https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-6p8h-3wgx-97gf

• Multiple vulnerabilities in GitPython
• openEuler 24.03 LTS SP3 update for python-GitPython
• openEuler 24.03 LTS SP1 update for python-GitPython
• SUSE update for python-GitPython