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CVE-2026-34197

CWE-20

Critical

96.3

RPS

Description

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

Source: NVD

Signals

CVSS
8.8
High · v3.1
EPSS
15.49%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Apr 2026
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-20
CWE-20, CWE-78
Published
7 Apr 2026
Last modified 4 Aug 2026

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Data as of 7 Oct 2026, 05:16 UK time

CVE-2026-34197 · RPS 96.3 · DevSecure Intelligence