AI AgentHigh
CVE-2026-18655: Improper restriction of intended endpoints in the RabbitMQ broker connection tools of the Amazon MQ …
- Occurred
- Aug 3, 2026
- Published
- Aug 3, 2026
- Source
- NVD CVE
Summary
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.
Tags
- CVE
- CVE-2026-18655
- cvss:MEDIUM
- agent-fail:injection-direct
- agent-cause:missing-guardrail
Classification
Category confidence: 90%
Severity confidence: 85%
Rationale: Agent tool vulnerability allows credential theft via prompt injection in MCP server.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8