CVE-2026-44091 — CRITICAL (9.1)

Vulnerability Description

An unauthenticated remote attacker can post a malicious ID to the MQTT Broker results in the creation of a new configuration entry in the system configuration. This may lead to integrity and availability loss.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-501

References

https://www.certvde.com/en/advisories/VDE-2026-008/

FAQ

What is CVE-2026-44091?

CVE-2026-44091 is a vulnerability with a CVSS score of 9.1 (CRITICAL). An unauthenticated remote attacker can post a malicious ID to the MQTT Broker results in the creation of a new configuration entry in the system configuration. This may lead to integrity and availabil...

How severe is CVE-2026-44091?

CVE-2026-44091 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-44091?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.