Vulnerability Description
Hydra is a Continuous Integration service for Nix based projects. Evaluation of untrusted non-flake nix code could potentially access secrets that are accessible by the hydra user/group. This should not affect the signing keys, that are owned by the hydra-queue-runner and hydra-www users respectively.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nixos | Hydra | < 2025-04-11 |
Related Weaknesses (CWE)
References
- https://github.com/NixOS/hydra/commit/8d750265135b7e203520036a742afdf301b4013fPatch
- https://github.com/NixOS/hydra/security/advisories/GHSA-j7w7-965w-vjxwVendor Advisory
- https://github.com/NixOS/nixpkgs/pull/397919Issue Tracking
- https://github.com/nix-community/nix-eval-jobs/releases/tag/v2.28.1Release Notes
FAQ
What is CVE-2025-32435?
CVE-2025-32435 is a vulnerability with a CVSS score of 2.6 (LOW). Hydra is a Continuous Integration service for Nix based projects. Evaluation of untrusted non-flake nix code could potentially access secrets that are accessible by the hydra user/group. This should n...
How severe is CVE-2025-32435?
CVE-2025-32435 has been rated LOW with a CVSS base score of 2.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-32435?
Check the references section above for vendor advisories and patch information. Affected products include: Nixos Hydra.