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    CVE-2026-66778

    SAP Approuter does not sufficiently sanitize certain request headers before forwarding traffic to internal components. An unauthenticated attacker could send a specially crafted request to obtain limited unauthorized access to information. This results in a low impact on confidentiality. There is no impact on integrity and availability.

    Published:Aug 11, 2026
    Last Modified:Sep 8, 2026
    EPS:Aug 11, 2026
    EPSS Score:0.00234
    CVSS Score:5.3

    Affected Products

    Vendor
    Sap
    Product
    Approuter
    Vendor
    Sap Se
    Product
    Sap Business Ai Platform (approuter)

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    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-2026-66760 (CVSS 6.4) — SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low …
    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