NULL pointer dereference in Nanomq
CVE-2026-32134
NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. In versions 0.24.10 and below, when NanoMQ handles high-concurrency reconnect traffic using a reconnect-collision payload, the broker can crash due to a NULL pointer der…
EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Nanomq — versions < 0.24.11
- Nanomq Nanonng — versions < 0.24.11
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-32134?
- CVE-2026-32134 is a medium-severity vulnerability in Nanomq, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2026-05-19.
- How severe is CVE-2026-32134?
- Medium severity. CVSS v3 base score is 5.9 out of 10.