CVE-2026-6564: EMQ EMQX Enterprise Session Handling improper authorization

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-19 · updated 2026-10-26
Weakness: CWE-266

Description

A vulnerability was found in EMQ EMQX Enterprise up to 6.1.0. The impacted element is an unknown function of the component Session Handling. The manipulation results in improper authorization. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

EMQX Enterprise: 6.0, 6.1.0

References

https://github.com/cailiujia/CVE
https://vuldb.com/submit/789924
https://vuldb.com/vuln/358201
https://vuldb.com/vuln/358201/cti

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