Description
An issue in EMQ NanoMQ v.0.24.9 allows a remote attacker to cause a denial of service via the nni_qos_db_set function in broker_tcp.c component
Affected products
emqx: nanomq
References3
- github.com/MoXie25/NanoMQ-Memory-Leak-Research.git Vendor Advisory
- github.com/MoXie25/NanoMQ-Memory-Leak-Research/blob/main/README… Third Party Advisory
- github.com/MoXie25/NanoMQ-Memory-Leak-Research/blob/main/README… Third Party Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 49 · as of 15 November 2026
- CWE
- CWE-400CWE-772
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.