RCE in Nixos Hydra
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 ow…
EPSS: 0.003 (16.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N.
Affected products
- Nixos Hydra — versions < 8d750265135b7e203520036a742afdf301b4013f
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-32435?
- CVE-2025-32435 is a low-severity vulnerability in Nixos Hydra, classified under Eval Injection. CVSS score: 2.6/10. Published 2025-04-15.
- How severe is CVE-2025-32435?
- Low severity. CVSS v3 base score is 2.6 out of 10.