Paper/Archive/CVE-2026-67593

CVE-2026-67593

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

EPSS 0.9%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (ADP)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 58.5.585 × 2011.7 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Apache Artemis2.50.0 – 2.56.0–CNA

Apache ActiveMQ Artemis1.0.0 – 2.44.0–CNA

Apache ActiveMQ Artemis2.32.0 – 2.44.0–CNA

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

advisorylists.apache.org/thread/zlglnsg8s5xv8n56d15dm5mf00h2d8xs refopenwall.com/lists/oss-security/2026/09/10/6