NULL pointer dereference in Nanomq
CVE-2026-32696
NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. In NanoMQ version 0.24.6, after enabling auth.http_auth (HTTP authentication), when a client connects to the broker using MQTT CONNECT without providing username/passwor…
EPSS: 0.000 (11.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Nanomq — versions >= 0.24.6, < 0.24.7
Weakness classification (CWE)
References
- https://github.com/nanomq/nanomq/security/advisories/GHSA-77f4-wvq8-mp3p (x_refsource_CONFIRM)
- https://github.com/nanomq/NanoNNG/pull/1394 (x_refsource_MISC)
- https://github.com/nanomq/NanoNNG/commit/c20aa27e5290bb480a5315099952480d35f37a8b (x_refsource_MISC)
- https://github.com/nanomq/nanomq/releases/tag/0.24.7 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-32696?
- CVE-2026-32696 is a low-severity vulnerability in Nanomq, classified under NULL Pointer Dereference. CVSS score: 3.1/10. Published 2026-03-30.
- How severe is CVE-2026-32696?
- Low severity. CVSS v3 base score is 3.1 out of 10.