CVE-2025-53819Nix's privilege dropping to build user broke for macOS

Description

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/NixOS/nix/security/advisories/GHSA-qc7j-jgf3-qmhg
• https://github.com/NixOS/nix/pull/13281
• https://github.com/NixOS/nix/pull/13455
• https://github.com/NixOS/nix/commit/e2ef2cfcbc83ea01308ee64c38a58707ab23dec3