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No exploitation reportedAwaiting NVD analysis

CVE-2026-109793

Denial of Service (DoS) vulnerability in SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcher

No exploitation reported by the sources we read.

  • Published2026-11-10
  • WeaknessCWE-121

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-11-1000:36CVE publishedCNA

Versions per branch

Products declared by the CNA

As sap, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • SAP_SE SAP NetWeaver Application Server ABAP (Internet Communication Manager) and SAP Web Dispatcherother versions: not affected
    Affected
    • = WEBDISP 9.16no fix stated
    • = KERNEL 9.16no fix stated
    • = 9.20no fix stated
    • = 9.21no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-10

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-109793 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-10
  • CNACVSS 3.17.52026-11-10
  • CNAweakness (CWE)CWE-1212026-11-10

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2026-11-10

Frequently asked questions

What is CVE-2026-109793?

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.

Is CVE-2026-109793 actively exploited?

Active exploitation of CVE-2026-109793 has not been confirmed.

What is the CVSS score for CVE-2026-109793?

CVE-2026-109793 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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