CVE-2026-45151 LOW

CVE-2026-45151: NanoMQ: NULL Pointer Dereference

Vendor Nanomq
Product nanomq
Weakness CWE-476
Published May 29, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

2.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 29, 2026 CVE published
June 1, 2026 Record updated