NULL Pointer Dereference Affecting nanomq/NanoNNG package, versions [,0.24.7)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.02% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-NANOMQNANONNG-15916606
  • published6 Apr 2026
  • disclosed30 Mar 2026
  • creditUnknown

Introduced: 30 Mar 2026

NewCVE-2026-32696  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade nanomq/NanoNNG to version 0.24.7 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference in the set_data process. An attacker can cause the process to crash by sending a MQTT CONNECT request without a username or password when HTTP authentication is enabled and the configuration uses %u or %P placeholders.

CVSS Base Scores

version 4.0
version 3.1