CVE-2025-32435

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.
Eval Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
2.6 LOW
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
GitHub_MCNA
2.6 LOW
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 8%
Common Weakness Enumeration
References
https://github.com/NixOS/hydra/commit/8d750265135b7e203520036a742afdf301b4013f
https://github.com/NixOS/hydra/security/advisories/GHSA-j7w7-965w-vjxw
https://github.com/NixOS/nixpkgs/pull/397919
https://github.com/nix-community/nix-eval-jobs/releases/tag/v2.28.1