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

Published Apr 15, 2025
·
Updated

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.

Affected Software

2 affected components
Hydra Hydra
NixOS Hydra<2025-04-11

Event History

Apr 15, 2025
CVE Published
via MITRE·10:19 PM
Data Sourced
via MITRE·10:19 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-32435?

CVE-2025-32435 is classified as a moderate severity vulnerability.

2

How do I fix CVE-2025-32435?

To address CVE-2025-32435, ensure you are using the latest version of Hydra with updated security patches.

3

What are the risks associated with CVE-2025-32435?

The risks of CVE-2025-32435 include potential unauthorized access to sensitive secrets accessed by the hydra user/group.

4

Which software versions are affected by CVE-2025-32435?

CVE-2025-32435 affects the Hydra Continuous Integration service for Nix based projects.

5

How can I determine if my system is vulnerable to CVE-2025-32435?

To determine if your system is vulnerable to CVE-2025-32435, check your Hydra installation for untrusted non-flake Nix code evaluation.

Contact

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