UnratedApache Software Foundation Updated

Advisory [CVE-2026-74761] Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms

This security Apache Software Foundation advisory covers CVE-2026-74761 affecting Apache ActiveMQ Broker.

CVE-2026-74761 Published Sep 9, 2026Updated by vendor Sep 9, 2026

CVE-2026-74761

Affected products & platforms

Apache Software FoundationMessagingActiveMQ

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Summary

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 versions

6.0.0 before 6.3.2

Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source

Fixed versions

6.3.2
5.19.11

Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users are recommended to upgrade to version 6.3.2 or 5.19.11 which fixes the issue.

Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-74761 instead of the raw feed document.
CVE Program

Cross-references

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CVE-2026-74761NVD CVE.org MITRE

Official resources

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