When Agentic Glue Melts: Exploiting Cloudflare Code Mode and Workers

By Yarden Porat, Check Point Research Key Points Check Point Research analyzed Cloudflare Code Mode, a technique that changes how AI agents use MCP by turning tools into a TypeScript API the model can write code against. The research uncovered five vulnerabilities in workerd, the open-source runtime behind Code Mode and Cloudflare Workers. Two were rated Critical by Cloudflare.