CVE-2026-67593

An unauthenticated network attacker can delete arbitrary durable queues on an Apache Artemis broker (or Apache ActiveMQ Artemis ) with the OpenWire protocol enabled. The vulnerability exists because the processRemoveSubscription() method executes pre-authentication without authorization checks, u...

EUVD-2026-75245

A remote attacker can craft an Openwire RemoveSubscriptionInfo command to cause the deletion of a queue on the Artemis broker before the connection authentication and authorization stage or at any time thereafter. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ...

CVE-2026-67593 Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-authentication Openwire protocol handling can result in queue deletion

A remote attacker can craft an Openwire RemoveSubscriptionInfo command to cause the deletion of a queue on the Artemis broker before the connection authentication and authorization stage or at any time thereafter. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ...

PT-2026-89273

A remote attacker can craft an Openwire RemoveSubscriptionInfo command to cause the deletion of a queue on the Artemis broker before the connection authentication and authorization stage or at any time thereafter. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ...

Exploit for Deserialization of Untrusted Data in Apache Activemq

CVE-2023-46604 ActiveMQ Safe Validator A single-file, non-des...

Exploit for Deserialization of Untrusted Data in Apache Activemq

CVE-2023-46604 – Apache ActiveMQ Remote Code Execution Ove...

Memory Allocation With Excessive Size Value

Apache ActiveMQ is vulnerable to Memory Allocation with Excessive Size Value. The vulnerability is due to improper validation of the encoded size of OpenWire message property maps during unmarshaling, which allows an authenticated attacker to send a crafted message with an excessively large size...

ROOT-APP-MAVEN-CVE-2025-27533 CVE-2025-27533 in io.root.org.apache.activemq:activemq-openwire-legacy - Patched by Root

Root has patched CVE-2025-27533 in the io.root.org.apache.activemq:activemq-openwire-legacy package for Root:Maven. Multiple fixed versions available...

BIT-ACTIVEMQ-2026-53917 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker: Unbounded memory allocation in OpenWire property unmarshalling

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

Apache ActiveMQ resource management error vulnerability (CNVD-2026-28243)

ActiveMQ is an open-source messaging middleware from Apache, used for message queues and asynchronous communication. There is a resource management vulnerability in Apache ActiveMQ. The vulnerability arises due to the lack of validation of the encoding size values during the deserialization of...

Linux Distros Unpatched Vulnerability : CVE-2026-53917

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An...

CVE-2026-53917

A flaw was found in Apache ActiveMQ. An authenticated user can exploit this vulnerability by sending a specially crafted OpenWire Message with an excessively large encoded size value for the message property map. This lack of size validation during unmarshaling can lead to an out-of-memory error,...

Memory Allocation with Excessive Size Value

Overview org.apache.activemq:apache-activemq is a Message Broker and Client implementations. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the unmarshalling process of OpenWire message property maps without proper size validation. An attacker...

Memory Allocation with Excessive Size Value

Overview org.apache.activemq:activemq-broker is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the unmarshalling process of OpenWire message property maps without...

Memory Allocation with Excessive Size Value

Overview org.apache.activemq:activemq-all is a package that puts together an ActiveMQ jar bundle. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the unmarshalling process of OpenWire message property maps without proper size validation. An...

Memory Allocation with Excessive Size Value

Overview org.apache.activemq:activemq-client is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the unmarshalling process of OpenWire message property maps without...

Allocation of Resources Without Limits or Throttling

Overview org.apache.activemq:apache-activemq is a Message Broker and Client implementations. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the OpenWire process. An attacker can exhaust system memory by repeatedly sending BrokerInfo...

Allocation of Resources Without Limits or Throttling

Overview org.apache.activemq:activemq-broker is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the OpenWire process. An attacker can exhaust system memory...

CVE-2026-53917

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...

DEBIAN-CVE-2026-53917

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker. An authenticated user can cause a broker DoS by sending a crafted OpenWire Message with a large encoded size value for the map. OpenWire message...