CVE-2026-45151

NanoMQ: NULL Pointer Dereference

LOW
2.9
CVSS Score
Published: May 29, 2026 at 07:30 PM UTC
Updated: July 22, 2026 at 06:27 AM UTC
1 product affected across 1 vendorNanomq

Using nanomq by nanomq?

Get instant alerts when new vulnerabilities affect nanomq - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
LOW2.9
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.9LOWGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-476

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card