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.
Metrics
Affected Vendors & Products
References
History
Mon, 03 Aug 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Mon, 03 Aug 2026 19:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Broker Credential and OAuth Token Disclosure in AWS Labs Amazon MQ MCP Server via Prompt Injection | |
| First Time appeared |
Aws
Aws amazon-mq-mcp-server |
|
| Weaknesses | CWE-923 | |
| CPEs | cpe:2.3:a:aws:amazon-mq-mcp-server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Aws
Aws amazon-mq-mcp-server |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: AMZN
Published:
Updated: 2026-08-03T19:52:25.587Z
Reserved: 2026-08-03T13:08:30.204Z
Link: CVE-2026-18655
Updated: 2026-08-03T19:52:22.208Z
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OpenCVE Enrichment
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