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CVE-2026-27678

MEDIUM CVSS 3.1: 6.5 EPSS 0.03%
Updated Apr 17, 2026
SAP
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-862 (Missing Authorization)
Vendor SAP
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1