CVE-2026-45151CWE-476

NanoMQ: NULL Pointer Dereference

Low · published May 29, 2026

CVSS v4.0
2.9
EPSS
0%
Percentile
25.0
In the wild
Unconfirmed
What it is

NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. In 0.24.8 and earlier, quic_stream_recv can dereference a null substream pointer when a substream is in reopen state. The code finishes the AIO with error but does not return before locking c->mtx.

The record
Technical detail
CVSS v4.0
2.9 · LOW
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00331 · 25.0th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2026-05-29T19:30Z
EPSS history
Timeline
  • 29 MAY 19:30Z
    NanoMQ: NULL Pointer Dereference
    cvelistv5