Improper Input Validation in Apache ActiveMQ Products
CVE-2026-74761

Currently unrated

Key Information:

Vendor: Apache
Status: Apache ActiveMQ Broker; Apache ActiveMQ All; Apache ActiveMQ
Vendor: CVE Published:; 9 September 2026

What is CVE-2026-74761?

A vulnerability exists in Apache ActiveMQ where improper input validation allows authenticated clients to spoof the clientId while removing a durable topic subscription. This issue impacts several versions of Apache ActiveMQ Broker and its variants, necessitating users to upgrade to version 6.3.2 or 5.19.11 to mitigate the risk. Failure to address this could lead to unauthorized access and manipulation of subscription management.

Affected Version(s)

Apache ActiveMQ 6.0.0 < 6.3.2

Apache ActiveMQ 0 < 5.19.11

Apache ActiveMQ All 6.0.0 < 6.3.2

References

https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2...

vendor-advisory

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Timeline

Vulnerability published
Sep 9, 2026
Vulnerability Reserved
Aug 15, 2026

Credit

Wanxin Yin (yaklang.io)

CVE-2026-74761 Data

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