CVE-2026-27679

MediumCVSS 6.5/10Last modified Oct 26, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-862

Affected software

Vendor	Product	Versions
SAP_SE	SAP S/4HANA Frontend OData Service (Manage Reference Structures)	UIS4H 109

References

https://me.sap.com/notes/3716767Permissions Required
https://url.sap/sapsecuritypatchdayPermissions Required

Timeline

Published: Apr 14, 2026
Last modified: Oct 26, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-276810.0Sandbox escape in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thu CVE-2026-276804.3Due to improper input handling under certain conditions, SAP NetWeaver Application Server ABAP allows an attacker to inject custom Cascading CVE-2026-276819.9Due to insufficient authorization checks in SAP Business Planning and Consolidation and SAP Business Warehouse, an authenticated user can ex CVE-2026-276826.1Due to a reflected cross-site scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applications based on Business Server CVE-2026-276834.1SAP BusinessObjects Business Intelligence application allows an authenticated attacker to inject malicious JavaScript payloads through craft CVE-2026-276846.4SAP NetWeaver Feedback Notifications Service contains a SQL injection vulnerability that allows an authenticated attacker to inject arbitrar CVE-2026-276859.1SAP NetWeaver Enterprise Portal Administration is vulnerable if a privileged user uploads untrusted or malicious content that, upon deserial CVE-2026-276865.9Due to a Missing Authorization Check in SAP Business Warehouse (Service API), an authenticated attacker could perform unauthorized actions v CVE-2026-276875.8Due to missing authorization check in SAP S/4HANA HCM Portugal and SAP ERP HCM Portugal, a user with high privileges could access sensitive CVE-2026-276885.0Due to a missing authorization check in SAP NetWeaver Application Server for ABAP, an authenticated attacker with user privileges could read CVE-2026-276897.7Due to an uncontrolled resource consumption (Denial of Service) vulnerability, an authenticated attacker with regular user privileges and ne CVE-2026-27698.8Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thun