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 co…
Published: 2026-08-04 · CVSS: 8.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7