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CVE-2025-54586— GitProxy is susceptible to a hidden commits injection attack

Quick assessment

Affected
finos git-proxy
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.

The Fintech Open Source Foundation GitProxy是The Fintech Open Source Foundation基金会的一个在Git之上部署自定义推送保护和策略。 The Fintech Open Source Foundation GitProxy 1.19.1及之前版本存在信息泄露漏洞，该漏洞源于攻击者可以注入额外提交，可能导致数据泄露。

CVSS 7.1 · High EPSS 0.35% · P28
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I. Basic Information for CVE-2025-54586

Vulnerability Information
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Vulnerability Title
GitProxy is susceptible to a hidden commits injection attack
Source: CVE Program / CVE List V5
Vulnerability Description
GitProxy is an application that stands between developers and a Git remote endpoint. In versions 1.19.1 and below, attackers can inject extra commits into the pack sent to GitHub, commits that aren’t pointed to by any branch. Although these “hidden” commits never show up in the repository’s visible history, GitHub still serves them at their direct commit URLs. This lets an attacker exfiltrate sensitive data without ever leaving a trace in the branch view. We rate this a High‑impact vulnerability because it completely compromises repository confidentiality. This is fixed in version 1.19.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
The Fintech Open Source Foundation GitProxy 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
The Fintech Open Source Foundation GitProxy是The Fintech Open Source Foundation基金会的一个在Git之上部署自定义推送保护和策略。 The Fintech Open Source Foundation GitProxy 1.19.1及之前版本存在信息泄露漏洞，该漏洞源于攻击者可以注入额外提交，可能导致数据泄露。
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
finos git-proxy < 1.19.2 -

II. Public POCs for CVE-2025-54586

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 10923 chars
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III. Intelligence Information for CVE-2025-54586

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Patches & Fixes for CVE-2025-54586 (1)

Same Patch Batch · finos · 2025-07-30 · 4 CVEs total

CVE-2025-54584 GitProxy is vulnerable to a packfile parsing exploit
CVE-2025-54585 GitProxy is vulnerable to a new branch approval exploit
CVE-2025-54583 GitProxy bypasses approvals when pushing multiple branches

IV. Related Vulnerabilities

Same product: git-proxy
Same vendor: finos
Same weakness: CWE-200

V. Comments for CVE-2025-54586

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