CVE-2026-67593
Published:September 10, 2026
Updated:September 22, 2026
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 Packages
https://github.com/apache/activemq-artemis.git (GITHUB):
Affected version(s) >=1.0.0 <2.57.0Fix Suggestion:
Update to version 2.57.0org.apache.artemis:artemis-openwire-protocol (JAVA):
Affected version(s) >=2.50.0 <2.57.0Fix Suggestion:
Update to version 2.57.0org.apache.activemq:artemis-openwire-protocol (JAVA):
Affected version(s) >=1.0.0 <2.57.0Fix Suggestion:
Update to version 2.57.0Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Function
EPSS
Base Score:
0.56