Medium 6.5Published Apr 13, 2026

CVE-2026-27679Missing Authorization check in SAP S/4HANA Frontend OData Service (Manage Reference Structures)

Updated under an hour ago (Oct 27, 2026, 8:23 AM ET)

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It affects SAP_SE SAP S/4HANA Frontend OData Service (Manage Reference Structures) and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for SAP_SE SAP S/4HANA Frontend OData Service (Manage Reference Structures)

Exploited in the last 30 days

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: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: sap
NVD analysis: Analyzed
Record last updated: Apr 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

SAP_SE SAP S/4HANA Frontend OData Service (Manage Reference Structures) sap_se:sap_s_4hana_frontend_odata_service_manage_reference_structures (from the name)	UIS4H 109	CNA record
sap manage_reference_structures sap:manage_reference_structures	uis4h_109	NVD

References

References

https://me.sap.com/notes/3716767	permissions-required
https://url.sap/sapsecuritypatchday	permissions-required

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.