CVE-2026-36590

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-36590
An issue in EMQ NanoMQ v.0.24.9 allows a remote attacker to cause a denial of service via the nni_qos_db_set function in broker_tcp.c component

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/MoXie25/NanoMQ-Memory-Leak-Research.git Vendor Advisory
https://github.com/MoXie25/NanoMQ-Memory-Leak-Research/blob/main/README.md Third Party Advisory
https://github.com/MoXie25/NanoMQ-Memory-Leak-Research/blob/main/README.md Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:emqx:nanomq:0.24.9:*:*:*:*:*:*:*
History

16 Jul 2026, 19:58

Type Values Removed Values Added
CPE cpe:2.3:a:emqx:nanomq:0.24.9:*:*:*:*:*:*:*
First Time Emqx nanomq
Emqx
References () https://github.com/MoXie25/NanoMQ-Memory-Leak-Research.git - () https://github.com/MoXie25/NanoMQ-Memory-Leak-Research.git - Vendor Advisory
References () https://github.com/MoXie25/NanoMQ-Memory-Leak-Research/blob/main/README.md - () https://github.com/MoXie25/NanoMQ-Memory-Leak-Research/blob/main/README.md - Third Party Advisory

16 Jul 2026, 19:16

Type Values Removed Values Added
CWE CWE-400
CWE-772
References () https://github.com/MoXie25/NanoMQ-Memory-Leak-Research/blob/main/README.md - () https://github.com/MoXie25/NanoMQ-Memory-Leak-Research/blob/main/README.md -
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

15 Jul 2026, 22:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-07-15 22:16

Updated : 2026-07-16 19:58

NVD link : CVE-2026-36590

Mitre link : CVE-2026-36590

CVE.ORG link : CVE-2026-36590

JSON object : View

Products Affected

emqx

  • nanomq
CWE
CWE-400

Uncontrolled Resource Consumption

CWE-772

Missing Release of Resource after Effective Lifetime