CVE-2026-42588

Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, 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). An authenticated attacker can invoke these operations with a crafted discovery URI that triggers the VM transport's brokerConfig parameter using the "masterslave:// " URL which can allow loading a 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 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ All: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6. Users are recommended to upgrade to version 5.19.7 or 6.2.6, which fixes the issue.
References
Link Resource
https://lists.apache.org/thread/ns0zktfo16s9ql2mmtqtlb6p6xcs45xm Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/31/18 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:*

History

01 Jun 2026, 17:06

Type Values Removed Values Added
References () https://lists.apache.org/thread/ns0zktfo16s9ql2mmtqtlb6p6xcs45xm - () https://lists.apache.org/thread/ns0zktfo16s9ql2mmtqtlb6p6xcs45xm - Mailing List, Vendor Advisory
References () http://www.openwall.com/lists/oss-security/2026/05/31/18 - () http://www.openwall.com/lists/oss-security/2026/05/31/18 - Mailing List, Third Party Advisory
CPE cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:*
First Time Apache
Apache activemq
Apache activemq Broker

01 Jun 2026, 15:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 8.1

01 Jun 2026, 09:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-06-01 09:16

Updated : 2026-06-01 17:06


NVD link : CVE-2026-42588

Mitre link : CVE-2026-42588

CVE.ORG link : CVE-2026-42588


JSON object : View

Products Affected

apache

  • activemq
  • activemq_broker
CWE
CWE-20

Improper Input Validation

CWE-94

Improper Control of Generation of Code ('Code Injection')