CVE-2025-53819 HIGH

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

Vendor Nixos
Product nix
Weakness CWE-271
Published July 14, 2025
Last update July 15, 2025

CVSS base score

7.9/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 14, 2025 CVE published
July 15, 2025 Record updated