CVE-2026-69658

CVSS 9.8 (critical) · published 2026-08-28

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.

Weakness: CWE-319

Source: NVD CVE-2026-69658

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06

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