CVE-2026-53916

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. An unauthenticated client that opens a STOMP NIO connection can send header bytes that never terminate which makes the broker buffer them without limit, exhausting the JVM hea...

CVE-2026-53916 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codec

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. An unauthenticated client that opens a STOMP NIO connection can send header bytes that never terminate which makes the broker buffer them without limit, exhausting the JVM hea...

CVE-2026-53916

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. An unauthenticated client that opens a STOMP NIO connection can send header bytes that never terminate which makes the broker buffer them without limit, exhausting the JVM hea...

CVE-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...

EUVD-2026-40277

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...

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...

CVE-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...

CVE-2026-54475 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeover

Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing...

CVE-2026-54475

Summary of CVE-2026-54475 : A missing authorization check allows unauthorized connections to access temporary destinations in Apache ActiveMQ components. Affected versions include Apache ActiveMQ Broker prior to 5.19.8 and 6.0.0–6.2.6, Apache ActiveMQ All prior to 5.19.8 and 6.0.0–6.2.6, and Apac...

CVE-2026-54475

Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing...

EUVD-2026-40276

Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing...

CVE-2026-54475 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeover

Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing...

CVE-2026-54475

Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing...

CVE-2026-54475

Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing...

CVE-2026-50734

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All. An unauthenticated network attacker can cause a broker DoS by sending a crafted WireFormatInfo frame with a malicious large size value. The value is not validate and causes t...

PT-2026-53840

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions prior to 5.19.8 Apache ActiveMQ versions 6.0.0 through 6.2.6 Description An improper authorization issue exists where an authenticated user with low privileges can access the /admin/ endpoints in the Web Console. This...

PT-2026-53842

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ Broker versions 5.19.7 through 5.19.7 Apache ActiveMQ Broker versions 6.2.6 through 6.2.6 Apache ActiveMQ versions 5.19.7 through 5.19.7 Apache ActiveMQ versions 6.2.6 through 6.2.6 Apache ActiveMQ All versions 5.19.7 through...

PT-2026-53846

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions prior to 5.19.8 Apache ActiveMQ versions 6.0.0 through 6.2.6 Description An authorization flaw exists in the handling of temporary destinations. While these destinations are intended to be isolated to the connection th...

PT-2026-53844

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions prior to 5.19.8 Apache ActiveMQ versions 6.0.0 through 6.2.6 Apache ActiveMQ All versions prior to 5.19.8 Apache ActiveMQ All versions 6.0.0 through 6.2.6 Apache ActiveMQ Stomp versions prior to 5.19.8 Apache ActiveMQ...

PT-2026-53841

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ Client versions prior to 5.19.8 Apache ActiveMQ Client versions 6.0.0 through 6.2.6 Apache ActiveMQ versions prior to 5.19.8 Apache ActiveMQ versions 6.0.0 through 6.2.6 Apache ActiveMQ All versions prior to 5.19.8 Apache...