CVE-2026-32696 NanoMQ HTTP Auth: Missing username/password can trigger a NULL-pointer strlen() in auth_http.c:set_data(), causing a process crash — SIGSEGV, remotely triggerable

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-2026-32696

CVE-2026-32696 affects NanoMQ 0.24.6 where HTTP auth (auth.http_auth) with MQTT CONNECT and missing username/password (using %u/%P) causes auth_http.c:set_data() to call strlen() on a NULL pointer, triggering a remote SIGSEGV and DoS. A fix exists in 0.24.7. The Red Hat, NVD, OSV, and CVE list en...

PT-2026-29123

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. In NanoMQ version 0.24.6, after enabling auth.http auth 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-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...