Detections
Analytics
CVE-2026-21888
high
Description
NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. MQTT v5 Variable Byte Integer parsing out-of-bounds: get_var_integer() accepts 5-byte varints without bounds checks; reliably triggers OOB read / crash when built with ASan. This affects 0.24.6 and earlier.
References
https://github.com/nanomq/nanomq/security/advisories/GHSA-cggc-6m7w-j7x5