CVE-2025-59946
NanoMQ has a Use After Free vulnerability via sub info list
HIGH
7.5
CVSS Score
Published: December 27, 2025 at 12:40 AM UTC
Updated: October 13, 2026 at 09:10 AM UTC
2 products affected across 2 vendorsNanomqNanomq
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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
PoC
Description
NanoMQ MQTT Broker (NanoMQ) is an Edge Messaging Platform. Prior to version 0.24.2, there is a classical data racing issue about sub info list which could result in heap use after free crash. This issue has been patched in version 0.24.2.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/nanomq/nanomq/security/advisories/GHSA-xg37-23w7-72p5SSVC — Action Prioritization
SSVCPoCNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHGitHub_M
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-416
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