Improper Restriction of Communication Channel to Intended Endpoints Affecting awslabs.amazon-mq-mcp-server package, versions [,2.0.24)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.42% (34th percentile)

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  • Snyk IDSNYK-PYTHON-AWSLABSAMAZONMQMCPSERVER-21693690
  • published24 Oct 2026
  • disclosed3 Aug 2026
  • creditUnknown

Introduced: 3 Aug 2026

CVE-2026-18655  (opens in a new tab)
CWE-923  (opens in a new tab)

How to fix?

Upgrade awslabs.amazon-mq-mcp-server to version 2.0.24 or higher.

Overview

awslabs.amazon-mq-mcp-server is an A Model Context Protocol server for AmazonMQ to provision and manage your AMQ brokers

Affected versions of this package are vulnerable to Improper Restriction of Communication Channel to Intended Endpoints via the broker hostname parameter in the client context. An attacker can obtain sensitive credentials or tokens by introducing a crafted endpoint and leveraging prompt injection to intercept authentication data.

CVSS Base Scores

version 4.0
version 3.1