CVE-2025-54864

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Source

https://cve.org/CVERecord?id=CVE-2025-54864

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-54864.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-54864

Aliases

GHSA-qpq3-646c-vgx9

Published

2025-08-12T15:48:54.115Z

Modified

2026-04-02T12:54:05.048786Z

Severity

6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator

Summary

Hydra missing authentication when triggering evaluations through GitHub and Gitea plugins

Details

Hydra is a continuous integration service for Nix based projects. Prior to commit f7bda02, /api/push-github and /api/push-gitea are called by the corresponding forge without HTTP Basic authentication. Both forges do however feature HMAC signing with a secret key. Triggering an evaluation can be very taxing on the infrastructure when large evaluations are done, introducing potential denial of service attacks on the host running the evaluator. This issue has been patched by commit f7bda02. A workaround involves blocking /api/push-github and /api/push-gitea via a reverse proxy.

Database specific

{
    "cwe_ids": [
        "CWE-306"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54864.json",
    "cna_assigner": "GitHub_M"
}

References

Affected packages

Git / github.com/nixos/hydra

Affected ranges

Type: GIT
Repo: https://github.com/nixos/hydra
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

f7bda020c6144913f134ec616783e57817f7686f

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-54864.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "2025-08-12"
            }
        ]
    }
]