BIT-ACTIVEMQ-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...

BIT-ACTIVEMQ-2026-50750 Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broke...

DEBIAN-CVE-2026-50750

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broke...

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...

CVE-2026-50750

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broke...

CVE-2026-49432 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: STOMP negative content-length enables denial of service

Improper Input Validation vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. A remote unauthenticated peer that can reach an exposed STOMP connector can trigger denial-of-service behavior by sending a negative content-length. For the NIO STOMP transport, an attacker can...

CVE-2026-50750

Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broke...

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...

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-2026-53844

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...

CVE-2026-49270

A flaw was found in Apache ActiveMQ. An unauthenticated attacker can exploit this vulnerability when brokers are configured with a network connector with syncDurableSubs set to true. By sending a BrokerInfo command, the attacker can receive a list of all durable topic subscriptions, including...

com.espertech:esperio-springjms (=9.0.0), org.apache.activemq.tooling:activemq-maven-plugin (>=6.0.0 <=6.2.5) +5 more potentially affected by CVE-2026-42588 via org.apache.activemq:activemq-all (>=6.0.0 <=6.2.5)

org.apache.activemq:activemq-all MAVEN version =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.2.5 Source cves: CVE-2026-42588 Source advisory: SNYK:JAVA-ORGAPACHEACTIVEMQ-17151887...

com.espertech:esperio-springjms (=9.0.0), org.apache.activemq.tooling:activemq-maven-plugin (>=6.0.0 <=6.2.5) +5 more potentially affected by CVE-2026-49157 via org.apache.activemq:activemq-all (>=6.0.0 <=6.2.5)

org.apache.activemq:activemq-all MAVEN version =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.0.0, =6.2.5 Source cves: CVE-2026-49157 Source advisory: SNYK:JAVA-ORGAPACHEACTIVEMQ-17151889...

CVE-2026-45505

Improper Input Validation, Improper Control of Generation of Code 'Code Injection' vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Non-parenthesized discovery wrappers such as masterslave:vm://...,... and static:vm://... incorrectly pass validation allowing bypass o...

CVE-2026-42253

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Apache ActiveMQ, Apache ActiveMQ Web. The MessageServlet in the ActiveMQ web console API copies every JMS message property into an HTTP response header without any validation. This can allow...

BIT-ACTIVEMQ-2026-41044 Apache ActiveMQ, Apache ActiveMQ Broker, Apache ActiveMQ All: Authenticated user can perform RCE via DestinationView MBean exposed by Jolokia

Improper Input Validation, Improper Control of Generation of Code 'Code Injection' vulnerability in Apache ActiveMQ, Apache ActiveMQ Broker, Apache ActiveMQ All. An authenticated attacker can use the admin web console page to construct a malicious broker name that bypasses name validation to...

org.apache.axis2:axis2-integration (=1.4), org.apache.camel:camel-example-cxf (>=1.2.0 <=1.3.0) +3 more potentially affected by CVE-2026-34197 +1 more via org.apache.activemq:apache-activemq (>=4.1.1 <=5.0.0)

org.apache.activemq:apache-activemq MAVEN version =4.1.1, =1.2.0, =1.1.0, =1.3.0 - org.apache.camel:camel-example-spring =1.2.0 - org.apache.camel:camel-example-spring-xquery =1.3.0 Source cves: CVE-2026-34197, CVE-2026-40466 Source advisory: OSV:GHSA-W3W2-MPP5-92GM...

BIT-ACTIVEMQ-2026-40046 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT: Missing fix for CVE-2025-66168: MQTT control packet remaining length field is not properly validated

Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT. The fix for "CVE-2025-66168: MQTT control packet remaining length field is not properly validated" was only applied to 5.19.2 and future 5.19.x releases but was missed for all 6.0.0+...

Apache ActiveMQ < 5.19.3 / 5.19.4, 6.x < 6.2.2 / 6.2.3 Classpath Path Traversal

The version of Apache ActiveMQ running on the remote host is prior to 5.19.3 / 5.19.4 or 6.x prior to 6.2.2 / 6.2.3. It is, therefore, affected by an improper validation and restriction of classpath path name vulnerability: - An authenticated user could exploit path concatenation to traverse the...

CVE-2026-40046 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT: Missing fix for CVE-2025-66168: MQTT control packet remaining length field is not properly validated

Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT. The fix for "CVE-2025-66168: MQTT control packet remaining length field is not properly validated" was only applied to 5.19.2 and future 5.19.x releases but was missed for all 6.0.0+...