SECURELYN

CVE-2026-34197

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 Sprin…

Scores

8.8
CVSS 8.8 out of 10, high severity.
15.5%
EPSS 15.5% chance of exploitation in the next 30 days.

The facts

Published
7 April 2026
Last changed
4 August 2026
NVD status
Analyzed
Severity
High, CVSS 8.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
Affects
  • apache activemq
  • apache activemq broker
Known exploited
Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 16 April 2026.
EPSS
15.5% chance of exploitation activity in the next 30 days (percentile 97).

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References