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CVE-2026-36590

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

EMQ NanoMQ是美国EMQ公司开源的一款用于物联网边缘平台的轻量级快速 MQTT Broker。 EMQ NanoMQ 0.24.9版本存在安全漏洞，该漏洞源于broker_tcp.c组件中nni_qos_db_set函数存在内存泄漏，可能导致远程攻击者造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-36590

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
EMQ NanoMQ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EMQ NanoMQ是美国EMQ公司开源的一款用于物联网边缘平台的轻量级快速 MQTT Broker。 EMQ NanoMQ 0.24.9版本存在安全漏洞，该漏洞源于broker_tcp.c组件中nni_qos_db_set函数存在内存泄漏，可能导致远程攻击者造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-36590

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III. Intelligence Information for CVE-2026-36590

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Proof of Concept for CVE-2026-36590 (2)

Same Patch Batch · n/a · 2026-07-15 · 9 CVEs total

CVE-2026-61371 Microsoft AVML 后置链接漏洞
CVE-2026-51380 Tenda ac10 安全漏洞
CVE-2026-30618 guo zebin Fay 安全漏洞
CVE-2026-30623 LiteLLM 安全漏洞
CVE-2025-65720 Assaf Elovic GPT Researcher 安全漏洞
CVE-2026-26718 xuxueli xxl-job-admin 安全漏洞
CVE-2026-26719 xuxueli xxl-job-admin 安全漏洞
CVE-2026-38974 Jelmer Vernooij Dulwich 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-36590

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