CVE-2026-110453

State: Published
Severity: 4.3 Medium
Published: Oct 14, 2026
Updated: Oct 19, 2026
Reserved: Oct 14, 2026

Description

Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N	mitre

Weaknesses

CWE-863 Incorrect Authorization

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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