CVE-2026-78676
GitPython before 3.1.59 Remote Code Execution via Config Injection
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.
INFO
Published Date :
Aug. 25, 2026, 2:16 a.m.
Last Modified :
Sept. 2, 2026, 7:13 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | CRITICAL | MITRE-CVE | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update GitPython to version 3.1.59 or later.
- Validate git configuration files for malicious content.
- Review and secure hook execution mechanisms.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-78676.
| URL | Resource |
|---|---|
| https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-284h-m62q-gf8w | Exploit Vendor Advisory Mitigation |
| https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-config-injection | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-78676 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-78676
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-78676 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-78676 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 02, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:* versions up to (excluding) 3.1.59 Added Reference Type VulnCheck: https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-284h-m62q-gf8w Types: Exploit, Mitigation, Vendor Advisory Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-config-injection Types: Third Party Advisory -
CVE Modified by [email protected]
Aug. 26, 2026
Action Type Old Value New Value Added Reference https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-284h-m62q-gf8w Added Reference https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-config-injection Removed Reference https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-284h-m62q-gf8w Removed Reference https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-config-injection -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 26, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-78676', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-26T16:08:05.771259Z'} -
New CVE Received by [email protected]
Aug. 25, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'gitpython-developers', 'product': 'GitPython', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '3.1.59', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '3.1.59', 'versionType': 'semver'}], 'packageURL': 'pkg:pypi/GitPython', 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-88 Added Reference https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-284h-m62q-gf8w Added Reference https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-config-injection