CVE-2026-73624

GitPython versions before 3.1.54 contain an arbitrary file overwrite vulnerability in the Diffable.diff method that fails to validate git options passed through kwargs. Attackers can supply the --output argument via the other parameter or output kwarg to write patch content to attacker-chosen file paths at process privilege level.

CVSS 4.0

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

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-25)

CWE

CWE-88

Published

2026-08-13

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

Affected

• gitpython_project:gitpython

Packages (OSV)

References

• https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-fjr4-x663-mwxc
• https://www.vulncheck.com/advisories/gitpython-before-arbitrary-file-overwrite-via-diff
• https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-fjr4-x663-mwxc

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