Low severity · published Apr 15, 2025
CVE-2025-32435
Hydra no restricted eval after nix-eval-jobs migration
2.6
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HY
hydra · NixOS
< 8d750265135b7e203520036a742afdf301b4013f · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-32435
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-32435
Patch
https://github.com/NixOS/hydra/commit/8d750265135b7e203520036a742afdf301b4013f
Vendor Advisory
https://github.com/NixOS/hydra/security/advisories/GHSA-j7w7-965w-vjxw
Issue Tracking
https://github.com/NixOS/nixpkgs/pull/397919
Release Notes
https://github.com/nix-community/nix-eval-jobs/releases/tag/v2.28.1
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