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CVE-2026-33356

EMQX

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.

CVSS 7.7EPSS 0.27399999999999997%Risque 0.79
Voir la source
Publication
2026-05-11 17:16:30
Versions concernées
cannotmatch
Type
Core software
Vecteur
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N