# CVE-2026-89126

Unauthenticated RCE in SAP Web Dispatcher allowing full system compromise.

- Page: https://www.vulneraibility.com/cve/CVE-2026-89126
- CVSS: 10.0
- Known exploited: not in CISA KEV as of our last sync
- Weakness: CWE-122
- Published: 2026-11-10

## Affected versions

- SAP_SE SAP Web Dispatcher: affected HDB 2.00; KRNL64UC 7.53; WEBDISP 7.53; 7.54; 7.77; 7.93; 9.16; XS_ADVANCED_RUNTIME 1.00; SAP_EXTENDED_APP_SERVICES 1; KERNEL 7.53; 9.18; 9.20

A version outside these ranges is not a statement that it is unaffected.

## Impact

Unauthenticated remote code execution via crafted network traffic; attacker can execute arbitrary code and fully compromise confidentiality, integrity, and availability.

## Action

Immediate action required

## Recommendation

Apply SAP note 3778556 / vendor patches immediately; restrict access to Web Dispatcher.

## References

- [other] https://me.sap.com/notes/3778556
- [other] https://url.sap/sapsecuritypatchday

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.