Critical 9.0Published Dec 15, 2025

CVE-2025-59947NanoMQ is a messaging broker/bus for IoT Edge & SDV.

Updated under an hour ago (2026-10-19 09:40 UTC)

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It affects emqx nanomq. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for emqx nanomq

Exploited in the last 30 days

NanoMQ is a messaging broker/bus for IoT Edge & SDV. Versions prior to 0.24.4 have a buffer overflow case while the PUBLISH packets trigger both shared subscription and vanila subscription. This is fixed in version 0.24.4. As a workaround, disable shared subscription.

CVSS: 9.0 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-120
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

emqx nanomq emqx:nanomq	before 0.24.4	NVD

References

https://github.com/nanomq/nanomq/commit/5f5581054bb92f102cf99251e8af2f43763d457bpatch
https://github.com/nanomq/nanomq/issues/2110issue-tracking, patch
https://github.com/nanomq/nanomq/security/advisories/GHSA-98f4-cmg8-x7f3vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.