CVE Intelligence

Meari IoT Cloud MQTT Broker EMQX vulnerabilities

🔔 Create alert RSS Version checker

Published CVEs affecting Meari IoT Cloud MQTT Broker EMQX: 1 record(s), with affected versions and fixes.

CVE-2026-33356 High · 7.7 CWE-639 May 11, 2026
Meari MQTT broker missing per-device subscribe ACL
In Meari IoT Cloud MQTT Broker deployments running EMQX 4.x, any authenticated low-privilege account can subscribe to global wildcard topics and receive telemetry from devices the user does not own. The broker enforces publish restrictions but does not enforce equivalent subscribe authorization at per-device scope.