CVE-2026-74761 PUBLISHED

Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId

Assigner: apache
Reserved: 15.08.2026 Published: 09.09.2026 Updated: 09.09.2026

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.

Product Status

Vendor Apache Software Foundation
Product Apache ActiveMQ Broker
Versions Default: unaffected
  • affected from 6.0.0 to 6.3.2 (excl.)
  • affected from 0 to 5.19.11 (excl.)
Vendor Apache Software Foundation
Product Apache ActiveMQ All
Versions Default: unaffected
  • affected from 6.0.0 to 6.3.2 (excl.)
  • affected from 0 to 5.19.11 (excl.)
Vendor Apache Software Foundation
Product Apache ActiveMQ
Versions Default: unaffected
  • affected from 6.0.0 to 6.3.2 (excl.)
  • affected from 0 to 5.19.11 (excl.)

Credits

  • Wanxin Yin (yaklang.io) finder

References

Problem Types

  • CWE-20 Improper Input Validation CWE