CVE-2026-78676

critical · 9.3

GitPython before 3.1.59 fails to safely re-serialize multi-line git-config values during write operations, corrupting dormant quoted values into injected directives like core.hooksPath. Attackers can craft config files with embedded newlines that become live git directives after any unrelated GitPython config write, enabling arbitrary code execution via hook invocation.

9.3

CVSS

0.8%

EPSS (exploit prob.)

56th

EPSS percentile

2026-08-25

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-88

Affected products

Vendor	Product	Affected versions
gitpython_project	gitpython	< 3.1.59

Check a specific version with /api/v1/cve/match.

References

https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-284h-m62q-gf8w
https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-config-injection

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-78676