CVE-2026-95846

The Moquette lightweight Java MQTT broker is vulnerable to unauthorized message injection in versions prior to 0.18.1 . The PostOffice.publishWill function fails to apply canWrite authorization and reserved-topic checks when publishing a client's Last-Will message. This allows a client to configu...

CVE-2026-58209

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, MQTT retained message delivery and QoS1+ durable replay could deliver messages whose original topics matched a subscriber configured subscribe deny rule because these...