CVE-2026-32696

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. In NanoMQ version 0.24.6, after enabling auth.httpauth HTTP authentication, when a client connects to the broker using MQTT CONNECT without providing username/password, and the configuration params uses the placeholders %u / %P...

CVE-2026-22040

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. In version 0.24.6, by generating a combined traffic pattern of high-frequency publishes and rapid reconnect/kick-out using the same ClientID and massive subscribe/unsubscribe jitter, it is possible to reliably trigger heap memory...

CVE-2025-68699 NanoMQ $share/ Subscription Validation and Forwarding Parsing Inconsistency: NULL Pointer Increment Causes Crash

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. In version 0.24.6, NanoMQ has a protocol parsing / forwarding inconsistency when handling shared subscriptions $share/. A malformed SUBSCRIBE topic such as $share/ab missing the second / is not strictly validated during the...

CVE-2025-68699 NanoMQ $share/ Subscription Validation and Forwarding Parsing Inconsistency: NULL Pointer Increment Causes Crash

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. In version 0.24.6, NanoMQ has a protocol parsing / forwarding inconsistency when handling shared subscriptions $share/. A malformed SUBSCRIBE topic such as $share/ab missing the second / is not strictly validated during the...

📄 NanoMQ 0.24.6 Remote Buffer Overflow

A stack-based buffer overflow vulnerability exists in NanoMQ version 0.24.6, allowing remote attackers to cause a denial of service and potentially achieve remote code execution. The vulnerability requires admin privileges, but use of default credentials admin:public may be common, lowering the...