CVE-2026-67593

CRITICAL 9.1

Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-authentication Openwire protocol handling can result in queue deletion

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306
Vendor	apache software foundation
Product	apache artemis
Published	Sep 10, 2026
Last Updated	Sep 10, 2026

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Affected Versions

Apache Software Foundation / Apache Artemis

2.50.0 ≤ 2.56.0

Apache Software Foundation / Apache Artemis

2.50.0 ≤ 2.56.0

Apache Software Foundation / Apache ActiveMQ Artemis

1.0.0 ≤ 2.44.0

Apache Software Foundation / Apache ActiveMQ Artemis

2.32.0 ≤ 2.44.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

lists.apache.org: https://lists.apache.org/thread/zlglnsg8s5xv8n56d15dm5mf00h2d8xs openwall.com: http://www.openwall.com/lists/oss-security/2026/09/10/6

Credits

Daniel Birtwhistle 🔍 krsecurity(kongr) 🔍 Dilrevx, NSSL, SJTU