CVE-2026-49198

high

Description

Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors.

References

https://community.acer.com/en/kb/articles/19672

Details

Source: Mitre, NVD

Published: 2026-05-29

Updated: 2026-06-08

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.9

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

Severity: Medium

CVSS v4

Base Score: 8.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.00038