What is CVE-2026-6564?

CVE-2026-6564 is a medium-severity vulnerability in Emq Emqx Enterprise, classified under Incorrect Privilege Assignment. CVSS score: 4.3/10. Published 2026-04-19.

How severe is CVE-2026-6564?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Emq Emqx Enterprise

CVE-2026-6564

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…

EPSS: 0.000 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Emq Emqx Enterprise — versions 6.0, 6.1.0

Weakness classification (CWE)

References

VDB-358201 | EMQ EMQX Enterprise Session Handling improper authorization (vdb-entry)
VDB-358201 | CTI Indicators (IOB, IOC, TTP) (signature, permissions-required)
Submit #789924 | EMQ Technologies Inc. EMQX Enterprise 6.1.0 Improper Access Control (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-6564?: CVE-2026-6564 is a medium-severity vulnerability in Emq Emqx Enterprise, classified under Incorrect Privilege Assignment. CVSS score: 4.3/10. Published 2026-04-19.
How severe is CVE-2026-6564?: Medium severity. CVSS v3 base score is 4.3 out of 10.