Severity: important Affected versions:
- Apache Artemis (org.apache.artemis:artemis-server) 2.50.0 through 2.56.0 - Apache ActiveMQ Artemis (org.apache.activemq:artemis-server) 1.0.0 through 2.44.0 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. Credit: Domenico Francesco Bruscino (finder) Fedrick Sequeira (reporter) Mike Read (reporter) References: https://artemis.apache.org https://www.cve.org/CVERecord?id=CVE-2026-49362
