CVE-2026-6564 EMQ EMQX Enterprise Session Handling improper authorization
Remote attackers can bypass authorization checks in EMQX Enterprise session handling to access restricted resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6564?
CVE-2026-6564 is a medium-severity missing authorization vulnerability in EMQX Enterprise, published on 19 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-6564?
How do I fix CVE-2026-6564?
No fix has been published for CVE-2026-6564 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-6564 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6564 exists.
Sources
Also known as GHSA-vqmj-h423-xx64.