CVE-2026-18830 Insufficient input validation in Amazon Bedrock AgentCore harness InvokeHarness API

Insufficient input validation in Amazon Bedrock AgentCore harness might allow an authenticated remote user to execute configured tools bypassing model invocation and security controls via crafted content blocks in conversation messages. AWS has addressed this issue. No customer action is required...

CVE-2026-18830

The CVE-2026-18830 issue affects the Amazon Bedrock AgentCore harness, specifically the InvokeHarness API. It arises from insufficient input validation in, or surrounding, the harness, which could allow an authenticated remote user to execute configured tools by sending crafted content blocks in ...