Improper Neutralization of Argument Delimiters in a Command in GitPython - CVE-2026-73624

Vulnerability identifier: #VU139091

CSH Severity: Medium

CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-73624

CWE-ID: CWE-88

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to overwrite arbitrary files.

The vulnerability exists due to improper neutralization of argument delimiters in a command in Diffable.diff when forwarding user-controlled arguments to git diff or git diff-tree. A remote user can supply a crafted output argument or a crafted other value to overwrite arbitrary files.

The issue affects both key-controlled and value-controlled input paths because the caller-supplied other reference is inserted before the -- separator and can be parsed as a git option.

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-fjr4-x663-mwxc

• 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