Apache Software Foundation Apache Activemq vulnerabilities

CVE-2026-39304 [HIGH] CWE-400 CVE-2026-39304: Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ. ActiveMQ NIO SSL transports do not correctly handle TLSv1.3 handshake KeyUpdates triggered by clients. This makes it possible for a client to rapidly trigger updates which causes the broker to exhaust all its memory in the SSL engine

CVE-2026-40046 [MEDIUM] CWE-190 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT: Missing fix for CVE-2025-66168: MQTT control packet remaining length field is not properly validated 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 co

CVE-2026-34197 [HIGH] CWE-20 CVE-2026-34197: Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability i Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, 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:*), includi

CVE-2026-33227 [MEDIUM] CWE-22 CVE-2026-33227: Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Cli Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ Web, Apache ActiveMQ. In two instances (when creating a Stomp consumer and also browsing messages in the Web console) an authenticated user provided "key" value could be constructed to t

CVE-2025-66168 [MEDIUM] CWE-190 CVE-2025-66168: Apache ActiveMQ does not properly validate the remaining length field which may lead to an overflow Apache ActiveMQ does not properly validate the remaining length field which may lead to an overflow during the decoding of malformed packets. When this integer overflow occurs, ActiveMQ may incorrectly compute the total Remaining Length and subsequently misinterpret the payload as multiple MQTT control packets which makes the broker susceptible to un

CVE-2025-27533 [MEDIUM] CWE-789 CVE-2025-27533: Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ. During unmarshalling Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ. During unmarshalling of OpenWire commands the size value of buffers was not properly validated which could lead to excessive memory allocation and be exploited to cause a denial of service (DoS) by depleting process memory, thereby affecting applications and services that

CVE-2024-32114 [HIGH] CWE-1188 CVE-2024-32114: In Apache ActiveMQ 6.x, the default configuration doesn't secure the API web context (where the Jolo In Apache ActiveMQ 6.x, the default configuration doesn't secure the API web context (where the Jolokia JMX REST API and the Message REST API are located). It means that anyone can use these layers without any required authentication. Potentially, anyone can interact with the broker (using Jolokia JMX REST API) and/or produce/consume messages or purg

CVE-2022-41678 [HIGH] CWE-287 CVE-2022-41678: Once an user is authenticated on Jolokia, he can potentially trigger arbitrary code execution.  In Once an user is authenticated on Jolokia, he can potentially trigger arbitrary code execution. In details, in ActiveMQ configurations, jetty allows org.jolokia.http.AgentServlet to handler request to /api/jolokia org.jolokia.http.HttpRequestHandler#handlePostRequest is able to create JmxRequest through JSONObject. And calls to org.jolokia.http.HttpRe

CVE-2023-46604 [CRITICAL] CWE-502 CVE-2023-46604: The Java OpenWire protocol marshaller is vulnerable to Remote Code Execution. This vulnerability ma The Java OpenWire protocol marshaller is vulnerable to Remote Code Execution. This vulnerability may allow a remote attacker with network access to either a Java-based OpenWire broker or client to run arbitrary shell commands by manipulating serialized class types in the OpenWire protocol to cause either the client or the broker (respectively) to

CVE-2021-26117 [HIGH] CWE-287 CVE-2021-26117: The optional ActiveMQ LDAP login module can be configured to use anonymous access to the LDAP server The optional ActiveMQ LDAP login module can be configured to use anonymous access to the LDAP server. In this case, for Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16.1 and 5.15.14, the anonymous context is used to verify a valid users password in error, resulting in no check on the password.

CVE-2018-8006 [MEDIUM] CWE-79 CVE-2018-8006: An instance of a cross-site scripting vulnerability was identified to be present in the web based ad An instance of a cross-site scripting vulnerability was identified to be present in the web based administration console on the queue.jsp page of Apache ActiveMQ versions 5.0.0 to 5.15.5. The root cause of this issue is improper data filtering of the QueueFilter parameter.

CVE-2018-11775 [HIGH] CWE-295 CVE-2018-11775: TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which coul TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which could make the client vulnerable to a MITM attack between a Java application using the ActiveMQ client and the ActiveMQ server. This is now enabled by default.

CVE-2017-15709 [LOW] CWE-200 CVE-2017-15709: When using the OpenWire protocol in ActiveMQ versions 5.14.0 to 5.15.2 it was found that certain sys When using the OpenWire protocol in ActiveMQ versions 5.14.0 to 5.15.2 it was found that certain system details (such as the OS and kernel version) are exposed as plain text.

CVE-2016-6810 [MEDIUM] CWE-79 CVE-2016-6810: In Apache ActiveMQ 5.x before 5.14.2, an instance of a cross-site scripting vulnerability was identi In Apache ActiveMQ 5.x before 5.14.2, an instance of a cross-site scripting vulnerability was identified to be present in the web based administration console. The root cause of this issue is improper user data output validation.