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CVE-2026-33356

EMQX

Descrição

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%Risco 0.79
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Publicação
2026-05-11 17:16:30
Versões afetadas
cannotmatch
Tipo
Core software
Vetor
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N