CVE-2026-69658

CriticalCVSS 9.8/10Last modified Aug 31, 2026

Description

MQTT credentials and control traffic are transmitted in cleartext, exposing sensitive information to network-level attackers. This may enable unauthorized device impersonation and disruption of messaging functions.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 28, 2026
Last modified
Aug 31, 2026
NVD status
Deferred

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CVE-2026-69658: Critical severity, CVSS 9.8 | Vulnix