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

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache ActiveMQ Broker	affected 6.0.0 before 6.3.2; affected 0 before 5.19.11
Apache Software Foundation / Apache ActiveMQ All	affected 6.0.0 before 6.3.2; affected 0 before 5.19.11
Apache Software Foundation / Apache ActiveMQ	affected 6.0.0 before 6.3.2; affected 0 before 5.19.11

CWE

CWE-20

References

https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntz

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/09/08/12

CISA-ADP

No English description supplied.

No references supplied.