CVE-2026-33356

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

7.7 (HIGH) מקור הציון: CNA CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-2/8/2026

CWE

CWE-639

קישורים

• https://github.com/xn0tsa/nobody-puts-baby-in-a-corner
• https://www.runzero.com/advisories/meari-mqtt-broker-missing-per-device-subscr‮…