CVE-2026-67593 Missing authorization in Apache ActiveMQ Artemis

Critical 9.1 Published Updated

Remote attackers can delete queues via crafted Openwire commands before authentication, requiring an upgrade to Apache ActiveMQ Artemis.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-67593?

CVE-2026-67593 is a critical missing authorization vulnerability in Apache ActiveMQ Artemis, published on 10 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A remote attacker can craft an Openwire RemoveSubscriptionInfo command to cause the deletion of a queue on the Artemis broker before the connection authentication and authorization stage or at any time thereafter.

This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.

Users are recommended to upgrade to version 2.57.0, which fixes the issue.

Weakness: CWE-306

Which versions are affected by CVE-2026-67593?

It affects 1 product.

Products include Apache Artemis.

How do I fix CVE-2026-67593?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-67593 being exploited?

There is no known exploitation of CVE-2026-67593 in the wild and no public exploit code.

Sources

Also known as GHSA-59p6-j354-3gpj.

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