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    CVE-2026-66760

    SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute. Successful exploitation could allow impersonation of a trusted internal component, resulting in a high impact on integrity and a low impact on confidentiality and availability.

    Published:Aug 11, 2026
    Last Modified:Aug 11, 2026
    EPS:Aug 11, 2026
    EPSS Score:0.0012
    CVSS Score:6.4

    Affected Products

    Vendor
    Sap Se
    Product
    Sap Business Ai Platform (approuter)

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    Related CVEs

    CVE-2026-66778 (CVSS 5.3) — SAP Approuter does not sufficiently sanitize certain request headers before forwarding traffic to internal com…
    CVE-2026-66777 (CVSS 5.9) — SAP Approuter does not sufficiently validate certain incoming requests before forwarding them to backend desti…
    CVE-2026-66776 (CVSS 5.9) — SAP Approuter does not consistently enforce integrity verification on certain session-related request headers …
    CVE-2026-66775 (CVSS 4.3) — SAP Approuter does not enforce cross-site request forgery protection on the authentication flow by default. An…
    CVE-2026-66774 (CVSS 3.7) — SAP Approuter does not consistently handle certain error conditions. An attacker with low privileges could exp…
    CVE-2026-66761 (CVSS 4.3) — SAP Approuter does not enforce sufficient flow control in certain functionality. An attacker with low privileg…
    CVE-2026-58239 (CVSS 3.7) — SAP Approuter does not sufficiently validate tenant context in inbound requests. An unauthenticated attacker c…
    CVE-2026-58238 (CVSS 5.9) — SAP Approuter does not sufficiently handle certain requests under specific conditions. An unauthenticated atta…
    CVE-2026-58237 (CVSS 5.9) — WebSocket of SAP Approuter does not perform sufficient authorization checks in certain functionality. An attac…
    CVE-2026-58230 (CVSS 7) — SAP Approuter does not sufficiently validate certain token content under specific configurations. An unauthent…

    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