Is CVE-2026-110451 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-110451?

CVE-2026-110451 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-110451

Description

Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.