CVE-2026-67531

CVE-2026-67531 affects FrontMCP before 1.5.7. The sandboxed codecall:execute tool could leak live host Zod schema instances to scripts via getTool, and due to Zod v4 _zod being non-configurable/non-writable, the ECMAScript Proxy invariant returned the raw host object. This allowed a script to rea...