CVE-2026-49362 Missing authorization in Apache ActiveMQ Artemis
Unauthenticated attackers can create arbitrary durable queues via the CORE protocol, causing unauthorized state changes and potential denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-49362?
CVE-2026-49362 is a high-severity 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
An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unauthorized broker state manipulation and potential denial of service.
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-2026-49362?
It affects 1 product.
Products include Apache Artemis.
How do I fix CVE-2026-49362?
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-2026-49362 being exploited?
There is no known exploitation of CVE-2026-49362 in the wild and no public exploit code.
Other vulnerabilities in Apache ActiveMQ Artemis
- CVE-2026-57967 Apache Artemis, Apache ActiveMQ Artemis: Missing authentication on CORE protocol session reattachment
- CVE-2026-27446 Apache Artemis, Apache ActiveMQ Artemis: Auth bypass for Core downstream federation
- CVE-2026-49364 Information disclosure in Apache ActiveMQ Artemis
- CVE-2026-67593 Missing authorization in Apache ActiveMQ Artemis
- CVE-2023-50780 Apache ActiveMQ Artemis: Authenticated users could perform RCE via Jolokia MBeans
Sources
Also known as GHSA-593h-2v8w-vxpx.