CVE-2026-74761
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.
- Score
- CVSS 3.1 7.5 High
- Status
- Analyzed - security@apache.org
- Published
- 2026-09-09
- Last modified
- 2026-09-10
- Weaknesses
- CWE-20
Affected products
- Activemq (Apache)
- Activemq All (Apache)
- Activemq Broker (Apache)
- Apache Activemq (Apache Software Foundation)
- Apache Activemq All (Apache Software Foundation)
- Apache Activemq Broker (Apache Software Foundation)
References
- https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntz
- http://www.openwall.com/lists/oss-security/2026/09/08/12