What is CVE-2025-46416?

CVE-2025-46416 is a low-severity vulnerability in Nixos Nix, classified under CWE-282. CVSS score: 2.9/10. Published 2025-06-27.

How severe is CVE-2025-46416?

Low severity. CVSS v3 base score is 2.9 out of 10.

Vulnerability in Nixos Nix

CVE-2025-46416

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…

EPSS: 0.001 (24.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Nixos Nix — versions 0, 2.25.0, 2.27.0

Weakness classification (CWE)

CWE-282

References

discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-gu…
lix.systems/blog/2025-06-24-lix-cves/
guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
labs.snyk.io
security.snyk.io/vuln/
security-tracker.debian.org/tracker/CVE-2025-46416

Frequently asked questions

What is CVE-2025-46416?: CVE-2025-46416 is a low-severity vulnerability in Nixos Nix, classified under CWE-282. CVSS score: 2.9/10. Published 2025-06-27.
How severe is CVE-2025-46416?: Low severity. CVSS v3 base score is 2.9 out of 10.