{"affected":[{"defaultStatus":"unaffected","product":"SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher","source":"CNA: sap","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"}]}],"cveId":"CVE-2026-109793","cwes":["CWE-121"],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.5,"severity":"high","source":"CNA: sap","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1794270987829,"publishedAt":1794270987829,"references":[{"source":"CNA: sap","tags":[],"url":"https://me.sap.com/notes/3808627"},{"source":"CNA: sap","tags":[],"url":"https://url.sap/sapsecuritypatchday"}],"remediation":[],"revision":"de4bc01221469be9ef1253ddc8a358cf364728872e3e7d1a2b127519e51701d2","sources":[{"modifiedAt":1794270987829,"name":"CNA: sap","retrievedAt":1794272905596,"url":"https://www.cve.org/CVERecord?id=CVE-2026-109793"}],"ssvc":null,"status":"published","title":"Denial of Service (DoS) vulnerability in SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher","updatedAt":1794272905596}