PT-2025-16539 · Hydra · Hydra

Knedlsepp · Published 2025-04-15 · Updated 2025-04-16 · CVE-2025-32435

Positive Technologies (AI Summary)

CVSS v3.1

2.6

Low

Base vector

AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Hydra (affected versions not specified)

Description The issue concerns the evaluation of untrusted non-flake Nix code in Hydra, a Continuous Integration service for Nix-based projects. This could potentially allow access to secrets accessible by the Hydra user or group. However, it is noted that signing keys, owned by the hydra-queue-runner and hydra-www users, should not be affected.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Eval Injection

Weakness Enumeration

CWE-95

Related Identifiers

CVE-2025-32435

GHSA-J7W7-965W-VJXW

Affected Products

Hydra

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/32xxx/CVE-2025-32435.json · Exploit
• https://github.com/NixOS/hydra/commit/8d750265135b7e203520036a742afdf301b4013f · Patch
• https://github.com/NixOS/hydra/security/advisories/GHSA-j7w7-965w-vjxw · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-32435 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-32435 · Security Note
• https://github.com/NixOS/nixpkgs/pull/397919 · Note
• https://github.com/nix-community/nix-eval-jobs/releases/tag/v2.28.1 · Note
• https://t.me/cvedetector/23041 · Telegram Post
• https://twitter.com/CVEnew/status/1912277385900147078 · Twitter Post
• https://t.me/cvetracker/21704 · Telegram Post