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CVE

CVE-2026-34197

Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Authenticated users could perform RCE via Jolokia MBeans
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CVE

CVE-2026-34197

Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Authenticated users could perform RCE via Jolokia MBeans

Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ.

Apache ActiveMQ Classic exposes the Jolokia JMX-HTTP bridge at /api/jolokia/ on the web console. The default Jolokia access policy permits exec operations on all ActiveMQ MBeans (org.apache.activemq:*), including

BrokerService.addNetworkConnector(String) and BrokerService.addConnector(String).

An authenticated attacker can invoke these operations with a crafted discovery URI that triggers the VM transport's brokerConfig parameter to load a remote Spring XML application context using ResourceXmlApplicationContext.

Because Spring's ResourceXmlApplicationContext instantiates all singleton beans before the BrokerService validates the configuration, arbitrary code execution occurs on the broker's JVM through bean factory methods such as Runtime.exec().

​

This issue affects Apache ActiveMQ Broker: before 5.19.4, from 6.0.0 before 6.2.3; Apache ActiveMQ All: before 5.19.4, from 6.0.0 before 6.2.3; Apache ActiveMQ: before 5.19.4, from 6.0.0 before 6.2.3.

​

Users are recommended to upgrade to version 5.19.4 or 6.2.3, which fixes the issue

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
8.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Related Resources

No items found.

References

http://www.openwall.com/lists/oss-security/2026/04/06/3, https://repo.maven.apache.org/maven2, https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34197.json, https://www.cisa.gov/known-exploited-vulnerabilities-catalog?fieldcve=CVE-2026-34197, https://access.redhat.com/security/cve/CVE-2026-34197, https://activemq.apache.org/security-advisories.data/CVE-2026-34197-announcement.txt, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34197.json, https://nvd.nist.gov/vuln/detail/CVE-2026-34197, https://bugzilla.redhat.com/showbug.cgi?id=2455869

Severity

8.8

CVSS Score
0
10

Basic Information

Base CVSS
8.8
EPSS Probability
0.96666%
EPSS Percentile
0.99877%
Introduced Version
14bac13f40958c1a1d3d198051eed32facc4abd1,0
Fix Available
d8ce71364638fe4a18ae7531bd1f69f7543e2f16,6.2.4-r0,2.27.5-r3,2.28.3-r1

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