CVE-2026-27678 — Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structures)

CVE-2026-27678

Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structures) PUBLISHED

Description (CNA)

Due to missing authorization checks in the SAP S/4HANA backend 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.

Affected (CNA)

Vendor / product	Versions
SAP_SE / SAP S/4HANA Backend OData Service (Manage Reference Structures)	affected S4CORE 109

CWE

CWE-862

References

https://me.sap.com/notes/3715177
https://url.sap/sapsecuritypatchday

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.