{"id":"CVE-2026-109793","aliases":["EUVD-2026-120678","GHSA-9mh4-8jvw-38v9"],"status":"published","title":"Denial of Service (DoS) vulnerability in SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00359,"percentile":0.3005,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-11-10T00:36:27Z","modified":"2026-11-10T03:30:26Z","products":[{"vendor":"sap_se","product":"sap netweaver application server abap (internet communication manager) and sap web dispatcher"}],"references":[{"url":"https://me.sap.com/notes/3808627"},{"url":"https://url.sap/sapsecuritypatchday"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109793"},{"url":"https://github.com/advisories/GHSA-9mh4-8jvw-38v9"}],"sources":{"cve":[{"id":"CVE-2026-109793","title":"Denial of Service (DoS) vulnerability in SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher","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.","status":"published","published":"2026-11-10T00:36:27.829Z","modified":"2026-11-10T20:50:23.879Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-10T01:35:56.410062Z"}],"euvd":[{"id":"EUVD-2026-120678","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.","status":"published","published":"2026-11-10T00:36:27Z","modified":"2026-11-10T20:50:23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-10T05:19:59.129782Z"}],"ghsa":[{"id":"GHSA-9mh4-8jvw-38v9","title":"SAP NetWeaver Application Server ABAP and SAP Web Dispatcher do not sufficiently validate certain...","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.","status":"published","published":"2026-11-10T03:30:25Z","modified":"2026-11-10T03:30:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-10T03:51:51.547106Z"}],"nvd":[{"id":"CVE-2026-109793","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.","status":"published","published":"2026-11-10T01:17:13.02Z","modified":"2026-11-10T22:11:23.807Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-11T00:21:53.560779Z"}]}}