PatchTheCVECVE-2026-73621: GitPython before 3.1.56 contains an argument injection vulnerability in the Commit.count() method, which forwa
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Routine
MEDIUM 5.4UPGRADE
CVE-2026-73621 is a medium-severity flaw (CVSS 5.4) affecting gitpython. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
GitPython before 3.1.56 contains an argument injection vulnerability in the Commit.count() method, which forwards keyword arguments to 'git rev-list' without the check_unsafe_options guard present in the sibling iter_items method. An attacker who can control options passed to Commit.count (e.g., via an application that forwards a user-supplied options dict) can supply output=<path>, causing 'git rev-list --output=<path>' to open and truncate the
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 71%) |
| CISA exploited list | No |
| Weakness | CWE-88 |
| Published | 2026-08-13 |
| Last modified | 2026-10-23 |
Publisher (CNA): VulnCheck · Vendor: gitpython project
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
gitpython project gitpython UPGRADE
Affected: < 3.1.56
Fixed in: 3.1.56
Safe to downgrade to: no unaffected older release
1. Check installed version
pip show gitpython
2. UPGRADE to 3.1.56
pip install --upgrade "gitpython>=3.1.56"
Exact fixes by distribution
Fedora 46 · gum · FIXED · 2.0.2-1.fc46 · FEDORA-2026-da0d6dd894 · source
sudo dnf upgrade --advisory=FEDORA-2026-da0d6dd894
Debian 12 · python-git · NO FIX YET
Debian 13 · python-git · NO FIX YET
RHEL AI (RHEL AI) 3 · rhelai3/bootc-cuda-rhel9 · DEFERRED
RHEL AI (RHEL AI) 3 · rhelai3/bootc-gaudi-rhel9 · DEFERRED
RHEL AI (RHEL AI) 3 · rhelai3/bootc-rocm-rhel9 · DEFERRED
RHEL AI (RHEL AI) 3 · rhelai3/disk-image-cuda-rhel9 · DEFERRED
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
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