CVE-2026-27678: CWE-862: Missing Authorization in SAP_SE SAP S/4HANA Backend OData Service (Manage Reference Structures)
CVE-2026-27678 is a vulnerability in the SAP S/4HANA backend OData Service (Manage Reference Structures) caused by missing authorization checks. This flaw allows an attacker with some privileges to update and delete child entities without proper authorization. The vulnerability impacts data integrity but does not affect confidentiality or availability. It has a medium severity with a CVSS score of 6. 5. No official patch or remediation guidance is currently provided by the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability arises from missing authorization checks in the SAP S/4HANA backend OData Service responsible for managing reference structures. An attacker with at least some level of privileges (PR:L) can remotely update or delete child entities exposed via the OData service without proper authorization validation. The vulnerability affects the integrity of data but does not compromise confidentiality or availability. The CVSS 3.1 base score is 6.5, reflecting a medium severity level. The affected version is S4CORE 109. No patch or official remediation level has been published by SAP as of the current data.
Potential Impact
The primary impact is on data integrity, as unauthorized modification or deletion of child entities can occur. Confidentiality and availability are not impacted by this vulnerability. There are no known exploits in the wild, reducing immediate risk, but the potential for unauthorized data manipulation remains until addressed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, organizations should monitor SAP advisories closely. Until a patch is available, restrict access to the affected OData services to trusted users only and apply the principle of least privilege to minimize potential exploitation.
CVE-2026-27678: CWE-862: Missing Authorization in SAP_SE SAP S/4HANA Backend OData Service (Manage Reference Structures)
Description
CVE-2026-27678 is a vulnerability in the SAP S/4HANA backend OData Service (Manage Reference Structures) caused by missing authorization checks. This flaw allows an attacker with some privileges to update and delete child entities without proper authorization. The vulnerability impacts data integrity but does not affect confidentiality or availability. It has a medium severity with a CVSS score of 6. 5. No official patch or remediation guidance is currently provided by the vendor. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from missing authorization checks in the SAP S/4HANA backend OData Service responsible for managing reference structures. An attacker with at least some level of privileges (PR:L) can remotely update or delete child entities exposed via the OData service without proper authorization validation. The vulnerability affects the integrity of data but does not compromise confidentiality or availability. The CVSS 3.1 base score is 6.5, reflecting a medium severity level. The affected version is S4CORE 109. No patch or official remediation level has been published by SAP as of the current data.
Potential Impact
The primary impact is on data integrity, as unauthorized modification or deletion of child entities can occur. Confidentiality and availability are not impacted by this vulnerability. There are no known exploits in the wild, reducing immediate risk, but the potential for unauthorized data manipulation remains until addressed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, organizations should monitor SAP advisories closely. Until a patch is available, restrict access to the affected OData services to trusted users only and apply the principle of least privilege to minimize potential exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sap
- Date Reserved
- 2026-02-23T17:50:10.513Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69dd877482d89c981f91f538
Added to database: 4/14/2026, 12:16:52 AM
Last enriched: 4/14/2026, 12:32:20 AM
Last updated: 4/14/2026, 9:01:48 AM
Views: 9
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