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.

Reserved 2025-04-24 | Published 2025-06-27 | Updated 2025-06-27 | Assigner mitre

Problem types

CWE-282 Improper Ownership Management

Product status

Default status
unknown

Any version
affected

2.25.0
affected

2.27.0
affected

2.29.0
affected

References

discourse.nixos.org/...escalations-in-nix-lix-and-guix/66017

lix.systems/blog/2025-06-24-lix-cves/

guix.gnu.org/...5/privilege-escalation-vulnerabilities-2025/

labs.snyk.io

security.snyk.io/vuln/?search=CVE-2025-46416

security-tracker.debian.org/tracker/CVE-2025-46416

cve.org (CVE-2025-46416)

nvd.nist.gov (CVE-2025-46416)

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