PT-2026-2199 · Mqtt · Mqtt

Published 2026-01-07 · Updated 2026-01-07 · CVE-2026-22535

Positive Technologies (AI Summary)

CVSS v4.0

8.9

High

Base vector

AV:A/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Versions (affected versions not specified)

Description An attacker with network access and valid credentials can potentially write to server topics on a board controlling MQTT communications due to the use of an unsecured, unencrypted MQTT communications protocol.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-1366

Related Identifiers

CVE-2026-22535

Affected Products

Mqtt

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-22535 · Security Note
• https://cds.thalesgroup.com/en · Note
• https://twitter.com/CVEnew/status/2008945920268787837 · Twitter Post