CVE-2026-110452

State: Published
Severity: 4.0 Medium
Published: Oct 14, 2026
Updated: Oct 14, 2026
Reserved: Oct 14, 2026

Description

The multi-user installer in Nix before 2.35.3 sets the ownership of store contents to the user (who invoked the installer) even though it should be root ownership.

Scores

CVSS	Score	Vector	Source
3.1	4.0 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	mitre

Weaknesses

CWE-708 Incorrect Ownership Assignment

Affected Products

Product	Versions
NixNixOS	before 2.28.8Affected 2.29.0 to before 2.30.6Affected 2.31.0 to before 2.31.6Affected 2.32.0 to before 2.34.9Affected 2.35.0 to before 2.35.3Affected

References

https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547

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