What is CVE-2026-27679?

CVE-2026-27679 is a medium-severity vulnerability in Sap Manage_reference_structures, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-04-14.

How severe is CVE-2026-27679?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Sap Manage_reference_structures

CVE-2026-27679

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…

Vulnerability class: Broken Access Control

EPSS: 0.000 (14.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Sap Manage_reference_structures — versions uis4h_109
Sap S\/4hana
Sap_se Sap S/4hana Frontend Odata Service (Manage Reference Structures) — versions UIS4H 109

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cna@sap.com (Permissions Required)
cna@sap.com (Permissions Required)

Frequently asked questions

What is CVE-2026-27679?: CVE-2026-27679 is a medium-severity vulnerability in Sap Manage_reference_structures, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-04-14.
How severe is CVE-2026-27679?: Medium severity. CVSS v3 base score is 6.5 out of 10.