CVE-2025-54586: gitproxy Information Disclosure

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.

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CVSS v3.1 Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
finos	gitproxy	< 1.19.2

References

Advisories & Patches

https://github.com/finos/git-proxy/commit/9c1449f4ec37d2d1f3edf4328bc3757e8dba2110 https://github.com/finos/git-proxy/commit/a620a2f33c39c78e01783a274580bf822af3cc3a https://github.com/finos/git-proxy/releases/tag/v1.19.2

Exploits

https://github.com/finos/git-proxy/security/advisories/GHSA-v98g-8rqx-g93g https://github.com/finos/git-proxy/security/advisories/GHSA-v98g-8rqx-g93g

Frequently Asked Questions

What is CVE-2025-54586? +

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. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-54586? +

CVE-2025-54586 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-54586? +

CVE-2025-54586 affects products from finos, specifically: gitproxy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-54586? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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