CVE-2025-53819

Nix's privilege dropping to build user broke for macOS

State: Published
Severity: 7.9 High
Published: Jul 14, 2025
Updated: Jul 15, 2025
Reserved: Jul 9, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.9 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L	GitHub_M

Weaknesses

CWE-271 Privilege Dropping / Lowering Errors

Affected Products

Product	Versions
nixNixOS	= 2.30.0Affected

References

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

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