CVE-2026-23687: SAP Basis

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• SAP SAP Basis: version 700 only; version 701 only; version 702 only; version 731 only; version 740 only; version 750 only; …

Published 2026-02-10. Last modified 2026-06-17.