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When Agentic Glue Melts: Exploiting Cloudflare Code Mode and Workers
Check Point Research found five memory-corruption bugs in workerd, the C++ runtime underlying Cloudflare Workers and Code Mode. By targeting this shared layer, researchers broke both products simultaneously. The flaws exist in native "glue" code bridging V8 and Cloudflare's sandbox, which relies entirely on V8 for isolation. The vulnerabilities allowed sandbox escape from what should be isolated untrusted code execution environments.