CVE-2026-27679 | SAP S4HANA Frontend OData Service UI4H 109 Manage Reference Structures authorization

VDB-357270 · CVE-2026-27679 · GCVE-0-2026-27679 SAP S4HANA FRONTEND ODATA SERVICE UI4H 109 MANAGE REFERENCE STRUCTURES AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.3 $0-$5k 1.29+ Summaryinfo A vulnerability was found in SAP S4HANA Frontend OData Service UI4H 109 and classified as problematic. Affected by this issue is some unknown functionality of the component Manage Reference Structures. The manipulation results in authorization. This vulnerability is known as CVE-2026-27679. It is possible to launch the attack remotely. No exploit is available. It is best practice to apply a patch to resolve this issue. Detailsinfo A vulnerability was found in SAP S4HANA Frontend OData Service UI4H 109. It has been classified as problematic. Affected is an unknown code of the component Manage Reference Structures. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on integrity. CVE summarizes: 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. The advisory is available at me.sap.com. This vulnerability is traded as CVE-2026-27679 since 02/23/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/14/2026). Applying a patch is able to eliminate this problem. Productinfo Vendor SAP Name S4HANA Frontend OData Service Version UI4H 109 License commercial Website Vendor: https://www.sap.com/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.4 VulDB Meta Temp Score: 5.3 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.5 CNA Vector (sap): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Authorization CWE: CWE-862 / CWE-863 / CWE-285 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Timelineinfo 02/23/2026 CVE reserved 04/14/2026 +49 days Advisory disclosed 04/14/2026 +0 days VulDB entry created 04/14/2026 +0 days VulDB entry last update Sourcesinfo Vendor: sap.com Advisory: me.sap.com Status: Confirmed CVE: CVE-2026-27679 (🔒) GCVE (CVE): GCVE-0-2026-27679 GCVE (VulDB): GCVE-100-357270 scip Labs: https://www.scip.ch/en/?labs.20150716 Entryinfo Created: 04/14/2026 08:05 Changes: 04/14/2026 08:05 (62) Complete: 🔍 Cache ID: 99:B99:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸