2.6

CVE-2025-32435: nixos hydra Eval Injection

CVSS: 2.6v3.1LowAnalyzed
Published 15-04-2025Last modified 16-04-2025
Open JSON

Vulnerability summary

CVE-2025-32435 is a low (CVSS 2.6) Eval Injection vulnerability in nixos hydra. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 27.9% of scored vulnerabilities.

Overall risk
10/100
0100
Low · default modelHow is this calculated?
CVSS score
2.6/10
010
Low · v3.1 (CVE.org)
EPSS score
0.36%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-04-2025
    PublishedVulnerability first disclosed.
  2. 16-04-2025
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

28%

Versus all other CVEs

30-day change

+0.04 pp

From 0.31% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Nixos1 product
  • hydra< 8d750265135b7e203520036a742afdf301b4013f | < 2025-04-11

1 vendor · 1 product

References

4 links