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    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 a high impact on integrity, while confidentiality and availability are not impacted.

    Published:Apr 14, 2026
    Last Modified:May 4, 2026
    EPS:Apr 14, 2026
    EPSS Score:0.00029
    CVSS Score:6.5

    Affected Products

    Vendor
    Sap
    Product
    Manage Reference Structures
    Vendor
    Sap
    Product
    S/4hana
    Vendor
    Sap
    Product
    S\/4hana

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High