CVE-2025-32435Hydra no restricted eval after nix-eval-jobs migration

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/NixOS/hydra/security/advisories/GHSA-j7w7-965w-vjxw Vendor Advisory
• https://github.com/NixOS/nixpkgs/pull/397919 Issue Tracking
• https://github.com/NixOS/hydra/commit/8d750265135b7e203520036a742afdf301b4013f Patch
• https://github.com/nix-community/nix-eval-jobs/releases/tag/v2.28.1 Release Notes