CVE-2026-27679

Due to missing authorization checks in the SAP S/4HANA frontend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - cna@sap.com

Published

2026-04-14

Last modified

2026-10-26

Weaknesses

CWE-862

Affected products

• Manage Reference Structures (Sap)
• Sap S4hana Frontend Odata Service Manage Reference Structures (Sap Se)

References

• https://me.sap.com/notes/3716767
• https://url.sap/sapsecuritypatchday