Input Validation Flaw in SAP Web Dispatcher by SAP
CVE-2026-109800

7.7HIGH

Key Information:

Vendor

SAP

Vendor
CVE Published:
10 November 2026

What is CVE-2026-109800?

The SAP Web Dispatcher demonstrates a critical flaw in input validation processes that can lead to memory corruption. An attacker, authenticated as a non-administrative user, can exploit this weakness by supplying specially crafted inputs. This exploitation may cause the Web Dispatcher process to halt unexpectedly, resulting in a denial of service not only for the Web Dispatcher itself but also for all backend systems accessed through it. Importantly, while this vulnerability affects system availability, it does not compromise the confidentiality or integrity of the application's data. Organizations utilizing SAP Web Dispatcher should promptly address this vulnerability to maintain operational continuity.

Affected Version(s)

SAP Web Dispatcher KRNL64UC 7.53

SAP Web Dispatcher WEBDISP 7.53

SAP Web Dispatcher 7.54

References

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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