EMQX — Vulnerabilities & Security Advisories 5

EMQX provides an open-source MQTT messaging platform for IoT and real-time communication systems. Historically, vulnerabilities have included remote code execution, cross-site scripting, and privilege escalation, often stemming from input validation flaws and insecure default configurations. The platform has faced security incidents, including a 2021 vulnerability (CVE-2021-3711) allowing unauthorized access due to improper authentication checks. With five CVEs currently recorded, EMQX maintains security through regular updates and emphasizes secure deployment practices, though its complex architecture requires careful configuration to mitigate risks in high-traffic environments.