Security Advisory

CVE-2026-33356

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-05-11 16:02:14
Last updated 2026-05-11 18:18:45
Assigner runZero
State PUBLISHED

Description

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.