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CVE-2026-78677— GitPython before 3.1.59 Path Traversal via separate-git-dir

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 3.1.59 之前的版本中， 未排除 选项，允许攻击者在预期的克隆目标目录之外创建任意 git 目录。攻击者可以向 或 方法传递 参数，将仓库元数据重定向到攻击者控制的文件系统路径，从而实现任意目录的创建以及潜在的可疑钩子（hook）执行。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-78677

Vulnerability Information
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Vulnerability Title
GitPython before 3.1.59 Path Traversal via separate-git-dir
Source: CVE Program / CVE List V5
Vulnerability Description
GitPython before 3.1.59 omits --separate-git-dir from unsafe_git_clone_options, allowing attackers to create arbitrary git directories outside the intended clone destination. Attackers can pass a separate_git_dir parameter to Repo.clone_from() or Repo.clone() to redirect repository metadata to an attacker-controlled filesystem path, enabling arbitrary directory creation and potential hook execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
gitpython-developers GitPython 0 ~ 3.1.59 -

II. Public POCs for CVE-2026-78677

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9904 chars
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III. Intelligence Information for CVE-2026-78677

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Vendor Advisories for CVE-2026-78677 (2)

Same Patch Batch · gitpython-developers · 2026-08-25 · 5 CVEs total

CVE-2026-78676 9.8 CRITICAL GitPython before 3.1.59 Remote Code Execution via Config Injection
CVE-2026-78675 8.4 HIGH GitPython before 3.1.59 Local File Content Disclosure via .gitmodules
CVE-2026-78678 6.5 MEDIUM GitPython before 3.1.59 Arbitrary File Read via Repo.blame()
CVE-2026-78679 6.5 MEDIUM GitPython before 3.1.59 Arbitrary File Read via TagReference.create

IV. Related Vulnerabilities

Same product: GitPython
Same vendor: gitpython-developers
Same weakness: CWE-22

V. Comments for CVE-2026-78677

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