CVE-2026-101292

Apache ActiveMQ Artemis before 2.34.0 contains an unsafe reflection vulnerability in FederationStreamConnectMessage.getFederationPolicy. The method calls Class.forNameclazz.getConstructor.newInstance where clazz is read directly from the CORE protocol wire buffer without type validation. An...

CVE-2026-101292 Artemis-core-client: unsafe reflection in apache activemq artemis federation message deserialization

Apache ActiveMQ Artemis before 2.34.0 contains an unsafe reflection vulnerability in FederationStreamConnectMessage.getFederationPolicy. The method calls Class.forNameclazz.getConstructor.newInstance where clazz is read directly from the CORE protocol wire buffer without type validation. An...

EUVD-2026-88242

Apache ActiveMQ Artemis before 2.34.0 contains an unsafe reflection vulnerability in FederationStreamConnectMessage.getFederationPolicy. The method calls Class.forNameclazz.getConstructor.newInstance where clazz is read directly from the CORE protocol wire buffer without type validation. An...

CVE-2026-101292

Apache ActiveMQ Artemis versions before 2.34.0 are vulnerable to an unsafe reflection vulnerability within the FederationStreamConnectMessage.getFederationPolicy() method. The root cause is the direct reading of a class name from the CORE protocol wire buffer without proper type validation, which...

CVE-2026-101292

Apache ActiveMQ Artemis before 2.34.0 contains an unsafe reflection vulnerability in FederationStreamConnectMessage.getFederationPolicy. The method calls Class.forNameclazz.getConstructor.newInstance where clazz is read directly from the CORE protocol wire buffer without type validation. An...

CVE-2026-101292: Use of Externally-Controlled Input to Select Classes or Code

Apache ActiveMQ Artemis before 2.34.0 contains an unsafe reflection vulnerability in FederationStreamConnectMessage.getFederationPolicy. The method calls Class.forNameclazz.getConstructor.newInstance where clazz is read directly from the CORE protocol wire buffer without type validation. An...

CVE-2023-50780

CVE-2023-50780: MBeans peligrosos accesibles a través de la API de Jolokia en Apache ActiveMQ Artemis Al listar e inspeccionar los MBeans expuestos por la API de Jolokia en http://127.0.0.1:8161/console/jolokia se han identificado los siguientes vectores de ataque: Escritura arbitraria de archivo...

artemis-server: artemis-server: Pre-auth topology disclosure via CORE SUBSCRIBE_TOPOLOGY_V2 on channel0

A missing authentication vulnerability was found in Apache ActiveMQ Artemis. The SUBSCRIBETOPOLOGYV2 handler in CoreProtocolManager.LocalChannelHandler.handlePacket processes topology subscription requests on channel0 with zero authentication -- no call to getSecurityStore, no credential...

artemis-server: artemis-server: Pre-auth topology disclosure via CORE SUBSCRIBE_TOPOLOGY_V2 on channel0

A missing authentication vulnerability was found in Apache ActiveMQ Artemis. The SUBSCRIBETOPOLOGYV2 handler in CoreProtocolManager.LocalChannelHandler.handlePacket processes topology subscription requests on channel0 with zero authentication -- no call to getSecurityStore, no credential...

artemis-server: artemis-server: Pre-auth topology disclosure via CORE SUBSCRIBE_TOPOLOGY_V2 on channel0

A missing authentication vulnerability was found in Apache ActiveMQ Artemis. The SUBSCRIBETOPOLOGYV2 handler in CoreProtocolManager.LocalChannelHandler.handlePacket processes topology subscription requests on channel0 with zero authentication -- no call to getSecurityStore, no credential...

CLEANSTART-2026-ZN73340 Security fix for CVE-2026-59903 applied in: apache-activemq-artemis 2.56.0-r1, apache-hive 4.0.1-r12, elasticsearch 9.3.8-r5, keycloak 26.5.7-r8, strimzi-kafka-operator 1.2.0-r1, trino 480-r11, trino 483-r4

CVE-2026-59903 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details...

artemis-core-client: activemq-artemis: Unsafe deserialization via JsonUtil CompositeData on management address

A flaw was found in Apache ActiveMQ Artemis. The JsonUtil.fromJsonArray method uses ObjectInputStream.readObject to deserialize CompositeData from Base64-encoded serialized objects in management message bodies sent to the activemq.management address. While the deserialization is protected by an...

artemis-server: artemis-server: Pre-auth topology disclosure via CORE SUBSCRIBE_TOPOLOGY_V2 on channel0

A missing authentication vulnerability was found in Apache ActiveMQ Artemis. The SUBSCRIBETOPOLOGYV2 handler in CoreProtocolManager.LocalChannelHandler.handlePacket processes topology subscription requests on channel0 with zero authentication -- no call to getSecurityStore, no credential...

artemis-server: artemis-server: Pre-auth topology disclosure via CORE SUBSCRIBE_TOPOLOGY_V2 on channel0

A missing authentication vulnerability was found in Apache ActiveMQ Artemis. The SUBSCRIBETOPOLOGYV2 handler in CoreProtocolManager.LocalChannelHandler.handlePacket processes topology subscription requests on channel0 with zero authentication -- no call to getSecurityStore, no credential...

artemis-core-client: activemq-artemis: Unsafe deserialization via JsonUtil CompositeData on management address

A flaw was found in Apache ActiveMQ Artemis. The JsonUtil.fromJsonArray method uses ObjectInputStream.readObject to deserialize CompositeData from Base64-encoded serialized objects in management message bodies sent to the activemq.management address. While the deserialization is protected by an...

wildfly-messaging-activemq-subsystem: artemis-server: jgroups: artemis cluster password leak via jgroups spoof

Artemis and JGroups lack of access controls in certain situations can allow an attacker to spoof a password request in JGroups and subsequently gain access to the cluster. This allows the attacker manage-level authority for provided messaging and queue operations...

CVE-2026-49363

A missing authentication vulnerability was found in Apache ActiveMQ Artemis. The SUBSCRIBETOPOLOGYV2 handler in CoreProtocolManager.LocalChannelHandler.handlePacket processes topology subscription requests on channel0 with zero authentication -- no call to getSecurityStore, no credential...

CVE-2026-57822

A flaw was found in Apache ActiveMQ Artemis. The JsonUtil.fromJsonArray method uses ObjectInputStream.readObject to deserialize CompositeData from Base64-encoded serialized objects in management message bodies sent to the activemq.management address. While the deserialization is protected by an...

CVE-2026-49362

Artemis CORE protocol channel allows unauthed queue creation. an unauthenticated attacker can send CREATEQUEUE packets on channel 1 via the :8080 HTTP-upgrade path to create arbitrary durable JMS queues on the embedded broker. This can be used for resource exhaustion and persistent broker-state...

EUVD-2026-75247

When the broker is processing message-based management requests, sent by an authenticated messaging client that is authorized with MANAGE permission to perform management-via-messaging, the parameter processing can trigger Java deserialization of certain method parameters that the broker will not...