CVE-2026-27678 MEDIUM

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

Vendor Sap_Se
Product SAP S/4HANA Backend OData Service (Manage Reference Structures)
Weakness CWE-862 · Missing authorization
Published April 14, 2026
Last update April 14, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 14, 2026 CVE published
April 14, 2026 Record updated

Related vulnerabilities

04Related CVE

CVE-2025-65036 XWiki Remote Macros vulnerable to remote code execution using the confluence details summary macro CVE-2025-57896 WordPress Church Admin Plugin <= 5.0.26 - Broken Access Control Vulnerability CVE-2025-43008 Missing Authorization check in SAP S/4HANA HCM Portugal and SAP ERP HCM Portugal CVE-2026-25437 WordPress GZSEO plugin <= 2.0.14 - Broken Access Control vulnerability CVE-2025-5288 REST API | Custom API Generator For Cross Platform And Import Export In WP 1.0.0 - 2.0.3 - Missing Authorization to Unauthenticated Privilege Escalation via process_handler Function