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CVE-2026-42284— GitPython: Unsafe option check validates multi_options before shlex.split transforms it

Quick assessment

Affected
gitpython-developers GitPython
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GitPython是gitpython-developers开源的一个用于与 Git 存储库交互的 Python 库。 GitPython 3.1.47之前版本存在参数注入漏洞，该漏洞源于_clone()验证multi_options后执行shlex.split，可能导致字符串如--branch main --config core.hooksPath=/x绕过验证，导致Git在克隆期间应用配置并执行攻击者钩子。

CVSS 8.1 · High EPSS 0.71% · P52

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
gitpython-developers GitPython < 3.1.47 affected
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I. Basic Information for CVE-2026-42284

Vulnerability Information
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Vulnerability Title
GitPython: Unsafe option check validates multi_options before shlex.split transforms it
Source: CVE Program / CVE List V5
Vulnerability Description
GitPython is a python library used to interact with Git repositories. Prior to version 3.1.47, _clone() validates multi_options as the original list, then executes shlex.split(" ".join(multi_options)). A string like "--branch main --config core.hooksPath=/x" passes validation (starts with --branch), but after split becomes ["--branch", "main", "--config", "core.hooksPath=/x"]. Git applies the config and executes attacker hooks during clone. This issue has been patched in version 3.1.47.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
参数注入或修改
Source: CVE Program / CVE List V5
Vulnerability Title
GitPython 参数注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitPython是gitpython-developers开源的一个用于与 Git 存储库交互的 Python 库。 GitPython 3.1.47之前版本存在参数注入漏洞，该漏洞源于_clone()验证multi_options后执行shlex.split，可能导致字符串如--branch main --config core.hooksPath=/x绕过验证，导致Git在克隆期间应用配置并执行攻击者钩子。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
gitpython-developers GitPython < 3.1.47 -

II. Public POCs for CVE-2026-42284

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7982 chars
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III. Intelligence Information for CVE-2026-42284

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Vendor Advisories for CVE-2026-42284 (1)

Vendor Pages for CVE-2026-42284 (1)

Same Patch Batch · gitpython-developers · 2026-05-07 · 4 CVEs total

CVE-2026-42215 8.8 HIGH GitPython: Command injection via Git options bypass
CVE-2026-44244 7.8 HIGH GitPython: Newline injection in config_writer().set_value() enables RCE via core.hooksPath
CVE-2026-44243 GitPython: Path traversal in GitPython reference APIs allows arbitrary file write and dele

IV. Related Vulnerabilities

Same product: GitPython
Same vendor: gitpython-developers
Same weakness: CWE-88

V. Comments for CVE-2026-42284

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