{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-109793", "assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd", "state": "PUBLISHED", "assignerShortName": "sap", "dateReserved": "2026-10-13T03:47:41.535Z", "datePublished": "2026-11-10T00:36:27.829Z", "dateUpdated": "2026-11-10T00:36:27.829Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd", "shortName": "sap", "dateUpdated": "2026-11-10T00:36:27.829Z"}, "title": "Denial of Service (DoS) vulnerability in SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher", "problemTypes": [{"descriptions": [{"lang": "eng", "cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow", "type": "CWE"}]}], "affected": [{"vendor": "SAP_SE", "product": "SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher", "versions": [{"status": "affected", "version": "WEBDISP 9.16"}, {"status": "affected", "version": "KERNEL 9.16"}, {"status": "affected", "version": "9.20"}, {"status": "affected", "version": "9.21"}], "defaultStatus": "unaffected"}], "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p>"}]}], "references": [{"url": "https://me.sap.com/notes/3808627"}, {"url": "https://url.sap/sapsecuritypatchday"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher", "vendor": "SAP_SE", "versions": [{"status": "affected", "version": "WEBDISP 9.16"}, {"status": "affected", "version": "KERNEL 9.16"}, {"status": "affected", "version": "9.20"}, {"status": "affected", "version": "9.21"}]}], "source": "cna@sap.com"}], "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."}], "id": "CVE-2026-109793", "lastModified": "2026-11-10T01:17:13.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "cna@sap.com", "type": "Primary"}]}, "published": "2026-11-10T01:17:13.020", "references": [{"source": "cna@sap.com", "url": "https://me.sap.com/notes/3808627"}, {"source": "cna@sap.com", "url": "https://url.sap/sapsecuritypatchday"}], "sourceIdentifier": "cna@sap.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "cna@sap.com", "type": "Primary"}]}

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