Feed/CVE-2026-49186
CVE-2026-49186CRITICALCVSS 9.8

CVE-2026-49186

Published Jun 4, 2026·Updated Jul 22, 2026

NVD Description

The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any client to subscribe using wildcard characters (# or +) to enumerate hidden network devices or publish rogue control commands.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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