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Back to active CVEs
High · CVSS 7.5CVE-2026-74761

Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientIdCVE-2026-74761

Answer in brief

CVE-2026-74761 records a High severity (CVSS 7.5) vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/Apache ActiveMQ (generic), Apache Software Foundation/Apache ActiveMQ All (generic), Apache Software Foundation/Apache ActiveMQ Broker (generic), Apache Software Foundation/org.apache.activemq:activemq-all (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 9, 2026Updated Sep 18, 2026Source checked Oct 24, 2026First seen by HOL Sep 9, 2026Material review Sep 18, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.5
Exploitation
Not marked as known exploited
Affected software
9 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache ActiveMQ (generic), Apache Software Foundation/Apache ActiveMQ All (generic), Apache Software Foundation/Apache ActiveMQ Broker (generic), Apache Software Foundation/org.apache.activemq:activemq-all (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:apache:activemq_all:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/Apache ActiveMQgeneric>=6.0.0 <6.3.2 || >=0 <5.19.116.3.2, 5.19.11
Apache Software Foundation/Apache ActiveMQ Allgeneric>=6.0.0 <6.3.2 || >=0 <5.19.116.3.2, 5.19.11
Apache Software Foundation/Apache ActiveMQ Brokergeneric>=6.0.0 <6.3.2 || >=0 <5.19.116.3.2, 5.19.11
Apache Software Foundation/org.apache.activemq:activemq-allgeneric>=6.0.0 <6.3.2 || >=0 <5.19.116.3.2, 5.19.11
Apache Software Foundation/org.apache.activemq:activemq-brokergeneric>=6.0.0 <6.3.2 || >=0 <5.19.116.3.2, 5.19.11
Apache Software Foundation/org.apache.activemq:apache-activemqgeneric>=6.0.0 <6.3.2 || >=0 <5.19.116.3.2, 5.19.11

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache ActiveMQ, Apache Software Foundation/Apache ActiveMQ All, Apache Software Foundation/Apache ActiveMQ Broker.
  2. 2Review the reported fix. Update Apache Software Foundation/Apache ActiveMQ to 6.3.2; Apache Software Foundation/Apache ActiveMQ All to 6.3.2; Apache Software Foundation/Apache ActiveMQ Broker to 6.3.2; Apache Software Foundation/org.apache.activemq:activemq-all to 6.3.2; Apache Software Foundation/org.apache.activemq:activemq-broker to 6.3.2; Apache Software Foundation/org.apache.activemq:apache-activemq to 6.3.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 9, 2026

Sources and claim methodology

  • Source referencelists.apache.org
  • Source referenceopenwall.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-20
Source
CVE List V5
Source checked
Oct 24, 2026
References
2 linked sources
Open source record