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CVE-2026-78676 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-284h-m62q-gf8w	[email protected]	ExploitVendor AdvisoryMitigation
https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-config-injection	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-88	Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')	[email protected]

Affected Products

Product	Versions
gitpython project gitpython	< 3.1.59
CPE cpe:2.3:a:gitpython_project:gitpython::::::python::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Sep 2, 2026	Initial Analysis	[email protected]
Aug 26, 2026	CVE Modified	[email protected]
Aug 26, 2026	CVE Modified	CISA-ADP
Aug 25, 2026	New CVE Received	[email protected]