CVE-2025-53819: Nixos Nix

High severity, CVSS 7.9. EPSS: 0.1% chance of exploitation in the next 30 days.

Nix is a package manager for Linux and other Unix systems. Builds with Nix 2.30.0 on macOS were executed with elevated privileges (root), instead of the build users. The fix was applied to Nix 2.30.1. No known workarounds are available.

Affected products

• Nixos Nix: version 2.30.0 only

Published 2025-07-14. Last modified 2026-06-17.