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CVE-2026-8686

🗓️ 15 May 2026 18:38:10Reported by AMZNType 
cve
 cve
🔗 web.nvd.nist.gov👁 11 Views

CVE-2026-8686 MQTT v5.0 deserialization DoS in coreMQTT; missing bounds validation; upgrade to 5.0.1.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-8686
15 May 202618:38
attackerkb
Circl
CVE-2026-8686
16 May 202613:03
circl
CNNVD
coreMQTT Client Library 缓冲区错误漏洞
15 May 202600:00
cnnvd
Cvelist
CVE-2026-8686 DoS from MQTT v5.0 Deserialization Fault in core MQTT
15 May 202618:38
cvelist
EUVD
EUVD-2026-30581
15 May 202618:38
euvd
NVD
CVE-2026-8686
15 May 202619:17
nvd
Positive Technologies
PT-2026-41372
15 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-8686
5 Jun 202619:10
redhatcve
Vulnrichment
CVE-2026-8686 DoS from MQTT v5.0 Deserialization Fault in core MQTT
15 May 202618:38
vulnrichment
NVD
CNA
Node
[
  {
    "vendor": "FreeRTOS",
    "product": "coreMQTT",
    "versions": [
      {
        "status": "affected",
        "version": "5.0.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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19 May 2026 14:01Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5 - 9.1
CVSS 48.7
EPSS0.00028
SSVC
11