CVE-2026-109800: SAP Web Dispatcher input validation memory corruption

CVE-2026-109800 · Severity: high · CVSS 7.7 · Published 2026-11-10

SAP Web Dispatcher, a gateway that routes requests to backend enterprise systems, fails to properly validate certain user inputs, allowing authenticated users to crash the dispatcher and render all connected systems inaccessible. An attacker with non-administrative credentials can send specially crafted input to trigger memory corruption and process termination, causing a complete availability outage.

Technologies: SAP Web Dispatcher. Vendors: SAP.

Quick answers

Is CVE-2026-109800 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-109800 being exploited in the wild.
How severe is CVE-2026-109800?
High severity, with a CVSS score of 7.7, published 10 November 2026.
Which products and versions are affected?
SAP Web Dispatcher.
Is there a fix for CVE-2026-109800?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-109800 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-109800?
Check whether you run SAP Web Dispatcher. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an input validation flaw in SAP Web Dispatcher that leads to memory corruption when processing specially crafted input from authenticated non-administrative users. The flaw causes the dispatcher process to terminate abnormally, affecting availability of the dispatcher and all backend systems reachable through it, with no impact to confidentiality or integrity. A fix has been published in SAP Security Notes.

Affected products

  • SAP Web Dispatcher

Timeline

  • 2026-11-10: disclosed

References

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