Vulnerability · Published Sep 10, 2026 · Assigned by apache
CVE-2026-49362Apache Artemis, Apache ActiveMQ Artemis: Missing Authentication in CORE Protocol Handler Allows Unauthorized Queue Creation
High 7.5
In plain English
A high-severity missing authentication in Apache ActiveMQ Artemis from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Artemis | 2.50.0 – through 2.56.0 |
| Apache Software Foundation | Apache ActiveMQ Artemis | 1.0.0 – through 2.44.0 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H