CVE-2026-109793

{
  "id": "CVE-2026-109793",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-10T01:17:13.020",
  "lastModified": "2026-11-10T01:17:13.020",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP NetWeaver Application Server ABAP and SAP Web Dispatcher do not sufficiently validate certain header values processed during inbound request handling. An unauthenticated attacker could send a specially crafted request to cause the affected process to become unavailable.This results in a high impact on availability. There is no impact on confidentiality and integrity."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "SAP_SE",
          "product": "SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "WEBDISP 9.16",
              "status": "affected"
            },
            {
              "version": "KERNEL 9.16",
              "status": "affected"
            },
            {
              "version": "9.20",
              "status": "affected"
            },
            {
              "version": "9.21",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://me.sap.com/notes/3808627",
      "source": "[email protected]"
    },
    {
      "url": "https://url.sap/sapsecuritypatchday",
      "source": "[email protected]"
    }
  ]
}