Is CVE-2026-110453 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-110453?

CVE-2026-110453 has a CVSS v3 severity of MEDIUM (4.3).

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Description

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