CVE-2025-32435
Hydra no restricted eval after nix-eval-jobs migration
2.6CVSSLOW
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 Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
https://github.com/NixOS/hydra/security/advisories/GHSA-j7w7-965w-vjxw
github.com
https://github.com/NixOS/nixpkgs/pull/397919
github.com
https://github.com/NixOS/hydra/commit/8d750265135b7e203520036a742afdf301b4013f
github.com
and 1 more references View all →
Timeline
Published
Apr 15, 2025
Last Updated
Sep 22, 2025
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2025-32435 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows