CVE-2026-27676
Received Received - Intake
Authorization Bypass in SAP S/4HANA OData Service Allows Data Modification

Publication date: 2026-04-14

Last updated on: 2026-04-14

Assigner: SAP SE

Description
Due to missing authorization checks in the SAP S/4HANA OData Service (Manage Technical Object Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability results in a low impact on integrity, while confidentiality and availability are not impacted.
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Meta Information
Published
2026-04-14
Last Modified
2026-04-14
Generated
2026-06-16
AI Q&A
2026-04-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-27676
EUVD
EUVD-2026-22148
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
sap s_4hana *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
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Executive Summary

This vulnerability exists in the SAP S/4HANA OData Service called Manage Technical Object Structures. It is caused by missing authorization checks, which means an attacker with some level of access could update or delete child entities through exposed OData services without having proper permissions.

The impact of this vulnerability is limited to integrity, meaning data could be altered or deleted improperly. Confidentiality and availability are not affected.

Impact Analysis

This vulnerability can impact you by allowing unauthorized modification or deletion of child entities within the SAP S/4HANA system. This compromises data integrity, potentially leading to incorrect or lost data.

Since confidentiality and availability are not impacted, sensitive data exposure or system downtime are not concerns related to this vulnerability.

Compliance Impact

This vulnerability allows unauthorized updates and deletions of child entities in SAP S/4HANA OData Service due to missing authorization checks. While it impacts data integrity to a low degree, confidentiality and availability are not affected.

Given that confidentiality is not impacted, the risk to personal data exposure under regulations like GDPR or HIPAA is minimal. However, the integrity impact could affect the reliability of data, which may have compliance implications depending on the specific regulatory requirements for data accuracy and integrity.

Overall, this vulnerability poses a low risk to compliance with standards focused on data confidentiality and availability, but organizations should consider the potential impact on data integrity controls.

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