Vulnerability Intelligence Report
Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId
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.
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
Exploitability:3.9
Impact Score:3.6
EPSS Probability:0.20%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-20 ↗CWE-20 Improper Input Validation
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Apache Software Foundation | Apache ActiveMQ Broker | 6.0.0 < 6.3.2 (affected), 0 < 5.19.11 (affected) |
| Apache Software Foundation | Apache ActiveMQ All | 6.0.0 < 6.3.2 (affected), 0 < 5.19.11 (affected) |
| Apache Software Foundation | Apache ActiveMQ | 6.0.0 < 6.3.2 (affected), 0 < 5.19.11 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.197%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Apache Software Foundation · Vendor · USA |
| Reserved | 2026-08-15T13:53:34 |
| Published | 2026-09-09T11:10:16 |
| Last Updated | 2026-09-10T18:00:51 |
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