ThreatsCloud & SaaSHighAmazon Bedrock AgentCore Flaw Allows Attackers to Bypass LLM Guardrails via Injected Tool-Use PayloadsAWS resolves high-severity vulnerability CVE-2026-18830 in Amazon Bedrock AgentCore allowing attackers to bypass LLM safety guardrails and trigger arbitrary tool calls.Daniel Okafor·19 Sep 2026, 19:45 IST·11 min read