CVE-2026-44244
Description
A flaw was found in GitPython, a Python library used to interact with Git repositories. The GitConfigParser.set_value() function does not properly validate input for newlines. This vulnerability allows an attacker to inject malicious configuration settings, specifically the core.hooksPath, into a Git repository. Consequently, any Git operation that triggers hooks, such as committing or merging, could lead to arbitrary code execution from an attacker-controlled path.
Statement
This is an Important flaw in GitPython that allows for arbitrary code execution. By injecting newlines into Git configuration values, an attacker can manipulate the core.hooksPath to execute malicious scripts during standard Git operations. This poses a significant risk in environments where applications process unvalidated user input when interacting with Git repositories, potentially leading to persistent repository configuration poisoning.
Mitigation
To mitigate this issue, applications that use GitPython and process untrusted input for Git configuration values must implement robust input validation and sanitization. This prevents the injection of newlines that could manipulate `core.hooksPath` and lead to arbitrary code execution. Additionally, ensure that applications interacting with Git repositories operate with the principle of least privilege to limit the potential impact of any successful exploitation.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 7.3 | N/A | 7.8 |
| Attack Vector | Local | N/A | Local |
| Attack Complexity | Low | N/A | Low |
| Privileges Required | Low | N/A | Low |
| User Interaction | Required | N/A | None |
| Scope | Unchanged | N/A | Unchanged |
| Confidentiality | High | N/A | High |
| Integrity Impact | High | N/A | High |
| Availability Impact | High | N/A | High |
Vector
Red Hat: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
cve.org: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Understanding the Weakness (CWE)
Other
Technical Impact: Varies by Context
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