CVE-2026-74761

highpriority · track · 0EPSS 0.006 · 50 %ileDEFRUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.62% (50th) EPSS

CVSS 7.5 · high

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cert_bund · nvd · osv · certfr

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondaryexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

affected products (12)

Products and version ranges known to be affected.

Apache ActiveMQ <5.19.11all versionscert_bundDE
Apache ActiveMQ <6.3.2all versionscert_bundDE
Apache ActiveMQ< 5.19.11cert_bundDE
Apache ActiveMQ< 6.3.2cert_bundDE
apache activemq< 5.19.11nvdUScpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*
apache activemq6.0.0 → 6.3.2nvdUScpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*
apache activemq all< 5.19.11nvdUScpe:2.3:a:apache:activemq_all:*:*:*:*:*:*:*:*
apache activemq all6.0.0 → 6.3.2nvdUScpe:2.3:a:apache:activemq_all:*:*:*:*:*:*:*:*
apache activemq broker< 5.19.11nvdUScpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:*
apache activemq broker6.2.0 → 6.3.2nvdUScpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:*
Bitnami activemq< 5.19.11osvUSpkg:bitnami/activemq
Bitnami activemq6.0.0 → 6.3.2osvUSpkg:bitnami/activemq

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3262Apache ActiveMQ: Schwachstelle ermöglicht DoS und Manipulation von DatenDeutsch2026-09-08csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Apache ActiveMQ ausnutzen, um einen Denial of Service Angriff durchzuführen und Daten zu manipulieren.
BIT-activemq-2026-74761Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId2026-09-17vendor · osvUS
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.
CERTFR-2026-AVI-1336Multiples vulnérabilités dans les produits IBMFrançais2026-10-16vendor · certfrFR

sources

Which sources assert this record, and when.

cert_bund nvd osv certfr NVD CVE.org MITRE

published 2026-09-09modified 2026-09-18

references (2) nvd

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2026/09/08/12Mailing List
https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntzMailing ListVendor Advisory

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan