CVE-2026-67531: Improper Control of Generation of Code

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. Prior to 1.5.7, the sandboxed codecall:execute tool exposes live host Zod schema instances to the script via getTool, and because Zod v4 defines zod as a non-configurable, non-writable own property, the ECMAScript Proxy...

CVE-2026-67531

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. Prior to 1.5.7, the sandboxed codecall:execute tool exposes live host Zod schema instances to the script via getTool, and because Zod v4 defines zod as a non-configurable, non-writable own property, the ECMAScript Proxy...

PT-2026-68355

Name of the Vulnerable Software and Affected Versions FrontMCP versions prior to 1.5.7 Description The sandboxed codecall:execute tool exposes live host Zod schema instances to scripts through the getTool function. Due to Zod v4 defining zod as a non-configurable and non-writable own property,...