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CVE-2026-76992

🗓️ 30 Sep 2026 11:07:45Reported by CERTVDEType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Unauthenticated remote DoS in CODESYS Gateway Client via excessive memory consumption.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-76992
30 Sep 202611:04
–circl
cvelist
Cvelist
CVE-2026-76992 Uncontrolled Memory Allocation in CODESYS Gateway Client
30 Sep 202611:07
–cvelist
euvd
EUVD
EUVD-2026-89776
30 Sep 202611:07
–euvd
nvd
NVD
CVE-2026-76992
30 Sep 202611:16
–nvd
Vulners
CNA
Node
OR
codesysgatewayRange<3.5.22.40
codesysedge_gatewayRange<3.5.22.40
codesyshmiRange<3.5.22.40
codesysplchandlerRange<3.5.22.40
codesysruntime_toolkitRange<3.5.22.40
[
  {
    "defaultStatus": "unaffected",
    "product": "Development System 3",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "3.5.22.40",
        "status": "affected",
        "version": "3.0.0.0",
        "versionType": "generic"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Gateway",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "3.5.22.40",
        "status": "affected",
        "version": "3.0.0.0",
        "versionType": "generic"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Edge Gateway for Windows",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "3.5.22.40",
        "status": "affected",
        "version": "3.0.0.0",
        "versionType": "generic"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "HMI (SL)",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "3.5.22.40",
        "status": "affected",
        "version": "3.0.0.0",
        "versionType": "generic"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "OPC DA Server SL",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "3.5.22.40",
        "status": "affected",
        "version": "3.0.0.0",
        "versionType": "generic"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "PLCHandler",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "3.5.22.40",
        "status": "affected",
        "version": "3.0.0.0",
        "versionType": "generic"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Runtime Toolkit",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "3.5.22.40",
        "status": "affected",
        "version": "3.0.0.0",
        "versionType": "generic"
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "product": "Edge Gateway for Linux",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "4.23.0.0",
        "status": "affected",
        "version": "3.15.0.0",
        "versionType": "generic"
      }
    ]
  }
]

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30 Sep 2026 19:57Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
CVSS 48.7
7