High 7.5Published Sep 9, 2026

CVE-2026-74761Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId

Updated under an hour ago (2026-10-19 08:23 UTC)

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It affects Apache Software Foundation Apache ActiveMQ Broker and 5 other products. Add what you run to find out whether that includes you.

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Every CVE for Apache Software Foundation Apache ActiveMQ Broker

Exploited in the last 30 days

Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ All: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ: before 5.19.11, from 6.0.0 before 6.3.2. Users are recommended to upgrade to version 6.3.2 or 5.19.11 which fixes the issue.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Sep 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache ActiveMQ Broker apache_software_foundation:apache_activemq_broker (from the name)	from 6.0.0 before 6.3.2; before 5.19.11	CNA record
Apache Software Foundation Apache ActiveMQ All apache_software_foundation:apache_activemq_all (from the name)	from 6.0.0 before 6.3.2; before 5.19.11	CNA record
Apache Software Foundation Apache ActiveMQ apache_software_foundation:apache_activemq (from the name)	from 6.0.0 before 6.3.2; before 5.19.11	CNA record
apache activemq apache:activemq	before 5.19.11; from 6.0.0 before 6.3.2	NVD
apache activemq_all apache:activemq_all	before 5.19.11; from 6.0.0 before 6.3.2	NVD
apache activemq_broker apache:activemq_broker	before 5.19.11; from 6.2.0 before 6.3.2	NVD

References

https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntzvendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/09/08/12mailing-list

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.