CVE-2016-4978

CVE-2016-4978 is a critical deserialization vulnerability affecting Apache ActiveMQ Artemis versions prior to 1.4.0, as well as related Red Hat products. It allows remote authenticated users to execute arbitrary code by sending specially crafted messages to the broker, leveraging gadget classes on the Artemis classpath. With a CVSS score of 7.2 (High), this vulnerability has a low attack complexity and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.