High nvd · CVE-2026-18655

CVE-2026-18655: Improper restriction of intended endpoints in the RabbitMQ broker connection tools of the Amazon MQ MCP Server (awslabs.

Published Aug 3, 2026 CVSS 7.1

Improper restriction of intended endpoints in the RabbitMQ broker connection tools of the Amazon MQ MCP Server (awslabs.amazon-mq-mcp-server) before 2.0.24 may allow a remote unauthenticated actor (via prompt injection) to obtain Amazon MQ for RabbitMQ broker credentials or OAuth access tokens sent to a crafted endpoint controlled through a broker hostname introduced in the MCP client context.

To remediate this issue, users should upgrade to version 2.0.24.

Prompt Injection Agentic / MCP

Affected AI Products

prompt injection mcp server

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