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    CVE-2026-23687

    SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.

    Published:Feb 10, 2026
    Last Modified:Jun 9, 2026
    EPS:Feb 10, 2026
    EPSS Score:0.00019
    CVSS Score:8.8

    Affected Products

    Vendor
    Sap
    Product
    Sap Basis
    Vendor
    Sap Se
    Product
    Sap Netweaver And Abap Platform

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

    Related CVEs

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    CVE-2025-42936 (CVSS 5.4) — The SAP NetWeaver Application Server for ABAP does not enable an administrator to assign distinguished authori…
    CVE-2025-42956 (CVSS 6.1) — SAP NetWeaver Application Server ABAP and ABAP Platform allows an unauthenticated attacker to create a malicio…
    CVE-2025-42986 (CVSS 4.3) — Due to a missing authorization check in an obsolete RFC enabled function module in SAP BASIS, an authenticated…
    CVE-2025-23193 (CVSS 5.3) — SAP NetWeaver Server ABAP allows an unauthenticated attacker to exploit a vulnerability that causes the server…
    CVE-2025-0066 (CVSS 9.9) — Under certain conditions SAP NetWeaver AS for ABAP and ABAP Platform (Internet Communication Framework) allows…
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    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