CoreBreak Bypasses AI Agent Guardrails at the Plumbing Layer—and Model-Level Defenses Cannot Help
The Dispatch Layer Vulnerability: CoreBreak The CoreBreak vulnerability pattern, presented at Black Hat USA 2026 by Hedi Ingber and Aviyam Ivgi of Stealth, identifies a structural failure in AI agent infrastructure. The dispatch layers of Amazon Bedrock AgentCore, Google Agent Development Kit (ADK), and Vercel AI SDK harness packages execute tools without requiring a legitimate…