# CVE-2026-66778

## Summary

- **CVE ID:** CVE-2026-66778
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
- **CWE:** CWE-644
- **Published:** Aug 11, 2026
- **Last Modified:** Aug 11, 2026

## Description

SAP Approuter does not sufficiently sanitize certain request headers before forwarding traffic to internal components. An unauthenticated attacker could send a specially crafted request to obtain limited unauthorized access to information. This results in a low impact on confidentiality. There is no impact on integrity and availability.

## Affected Products

- SAP_SE — SAP Business AI Platform (Approuter) (SAP Approuter node.js package < 23.0.0)

## References

- [CNA](https://me.sap.com/notes/3786038)
- [CNA](https://url.sap/sapsecuritypatchday)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.23%
- **EPSS Percentile:** 14.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._