Vulnerability 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.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix
- https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
- https://labs.snyk.io
- https://lix.systems/blog/2025-06-24-lix-cves/
- https://security-tracker.debian.org/tracker/CVE-2025-46416
- https://security.snyk.io/vuln/?search=CVE-2025-46416
FAQ
What is CVE-2025-46416?
CVE-2025-46416 is a vulnerability with a CVSS score of 2.9 (LOW). 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...
How severe is CVE-2025-46416?
CVE-2025-46416 has been rated LOW with a CVSS base score of 2.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-46416?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.