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CVE-2026-67326— GitPython before 3.1.50 Newline Injection via config_writer section

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-developers GitPython是gitpython-developers组织的数据库系统。 gitpython-developers GitPython 3.1.50之前版本存在输入验证错误漏洞，该漏洞源于config_writer()的section参数未验证换行符，可能允许攻击者注入任意section头，创建指向攻击者控制目录的伪造[core]节，导致在git hooks触发时实现远程代码执行。

CVSS 7.0 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
gitpython-developers GitPython < 3.1.50 affected
3.1.50 unaffected
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I. Basic Information for CVE-2026-67326

Vulnerability Information
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Vulnerability Title
GitPython before 3.1.50 Newline Injection via config_writer section
Source: CVE Program / CVE List V5
Vulnerability Description
GitPython before 3.1.50 fails to validate newline characters in the section parameter of config_writer(), allowing attackers to inject arbitrary section headers into .git/config. Attackers can inject newlines to create a forged [core] section with hooksPath pointing to attacker-controlled directories, achieving remote code execution when git hooks are triggered.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
gitpython-developers GitPython 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
gitpython-developers GitPython是gitpython-developers组织的数据库系统。 gitpython-developers GitPython 3.1.50之前版本存在输入验证错误漏洞，该漏洞源于config_writer()的section参数未验证换行符，可能允许攻击者注入任意section头，创建指向攻击者控制目录的伪造[core]节，导致在git hooks触发时实现远程代码执行。
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 0 ~ 3.1.50 -

II. Public POCs for CVE-2026-67326

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8757 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-67326

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Vendor Advisories for CVE-2026-67326 (2)

Same Patch Batch · gitpython-developers · 2026-08-01 · 5 CVEs total

CVE-2026-67324 9.8 CRITICAL GitPython 3.1.50 Authentication Bypass via Joined Short Options
CVE-2026-67325 8.8 HIGH GitPython before 3.1.51 Command Injection via option prefix abbreviation
CVE-2026-67323 8.4 HIGH GitPython before 3.1.51 Command Injection via unguarded Git options
CVE-2026-67322 7.5 HIGH GitPython before 3.1.52 Environment Variable Exfiltration via clone_from

IV. Related Vulnerabilities

Same product: GitPython
Same vendor: gitpython-developers
Same weakness: CWE-20

V. Comments for CVE-2026-67326

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