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CVE-2026-27679

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

Published: Apr 14, 2026Updated: May 4, 2026 Sources: CVE List NVDCWE-862
6.5CVSSMEDIUM

Description

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

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None

Weaknesses

Affected Products

sap_secommercialDEEnterprise Softwareaka sap businessobjects business intelligence platform, sap netweaver application server for abap
sapcommercialDEEnterprise Softwareaka sap ag

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
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References

Timeline

Published
Apr 14, 2026
Last Updated
May 4, 2026

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