CVE-2025-46416

Description

The Nix, Lix, and Guix package managers allow a bypass of build isolation in which a user can elevate their privileges to the build user account (e.g., nixbld or guixbuild). This affects Nix through 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix through 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b.

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://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017
• https://lix.systems/blog/2025-06-24-lix-cves/
• https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
• https://labs.snyk.io
• https://security.snyk.io/vuln/?search=CVE-2025-46416
• https://security-tracker.debian.org/tracker/CVE-2025-46416