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CVE-2026-73623— GitPython before 3.1.54 Remote Code Execution via --template

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组织的一个封装版本控制功能的Python库。 GitPython 3.1.54之前版本存在命令注入漏洞，该漏洞源于unsafe_git_clone_options中的不完整拒绝列表省略了--template，可能导致攻击者在克隆操作期间通过恶意post-checkout钩子执行任意命令。

CVSS 7.5 · High EPSS 0.83% · P56

Affected Version Matrix 2

VendorProduct Version RangeStatus
gitpython-developers GitPython < 3.1.54 affected
3.1.54 unaffected
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I. Basic Information for CVE-2026-73623

Vulnerability Information
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Vulnerability Title
GitPython before 3.1.54 Remote Code Execution via --template
Source: CVE Program / CVE List V5
Vulnerability Description
GitPython before 3.1.54 contains an incomplete denylist in unsafe_git_clone_options that omits --template, allowing attackers to achieve arbitrary command execution during clone operations. Attackers can supply --template pointing to a directory containing malicious post-checkout hooks that execute when git clones the repository.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
gitpython-developers GitPython 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
gitpython-developers GitPython是gitpython-developers组织的一个封装版本控制功能的Python库。 GitPython 3.1.54之前版本存在命令注入漏洞，该漏洞源于unsafe_git_clone_options中的不完整拒绝列表省略了--template，可能导致攻击者在克隆操作期间通过恶意post-checkout钩子执行任意命令。
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 ~ 3.1.54 -

II. Public POCs for CVE-2026-73623

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7460 chars
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III. Intelligence Information for CVE-2026-73623

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Vendor Advisories for CVE-2026-73623 (2)

Same Patch Batch · gitpython-developers · 2026-08-13 · 7 CVEs total

CVE-2026-73625 8.8 HIGH GitPython before 3.1.54 Remote Code Execution via kwarg value smuggling
CVE-2026-73620 8.1 HIGH GitPython before 3.1.57 Arbitrary File Overwrite and Read
CVE-2026-73624 8.1 HIGH GitPython before 3.1.54 Arbitrary File Overwrite via diff
CVE-2026-73622 7.5 HIGH GitPython before 3.1.55 Environment Variable Exfiltration via Remote.add()
CVE-2026-73619 6.5 MEDIUM GitPython before 3.1.57 Arbitrary File Read via Repo.archive()
CVE-2026-73621 5.4 MEDIUM GitPython before 3.1.56 Arbitrary File Truncation via Commit.count

IV. Related Vulnerabilities

Same product: GitPython
Same vendor: gitpython-developers
Same weakness: CWE-78

V. Comments for CVE-2026-73623

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