Date Posted: 2026/02/13

[Vulnerability Alert] SAP Releases Critical Security Advisory for Multiple Products

Subject Explanation: [Vulnerability Alert] SAP Releases Critical Security Advisory for Multiple Products

Content Description:
- Forwarding Taiwan Computer Emergency Response Team / Coordination Center (TWCERT/CC) Security Alert TWCERTCC-200-202602-00000008
- [CVE-2026-23687, CVSS: 8.8] This vulnerability exists in SAP NetWeaver AS ABAP and ABAP Platform. It allows an authenticated attacker with standard privileges to obtain valid signature information and send the updated signature XML document to the verification endpoint for validation.
- [CVE-2026-0509, CVSS: 9.6] This vulnerability exists in SAP NetWeaver AS ABAP and ABAP Platform. It allows an authenticated attacker with low privileges to execute backend Remote Function Calls (RFC) without obtaining S_RFC authorization.
- [CVE-2026-0488, CVSS: 9.9] Authenticated attackers can exploit a generic function module call vulnerability in SAP CRM and SAP S/4HANA (Scripting Editor) to execute unauthorized critical functions, including executing arbitrary SQL statements.
Impacted Platforms:
- SAP NetWeaver Application Server ABAP and ABAP Platform Version(s) - KRNL64NUC 7.22, 7.22EXT, KRNL64UC 7.22, 7.22EXT, 753, KERNEL 7.22, 7.53, 7.54, 7.77, 7.89, 7.93, 9.16, 9.18, 9.19
- SAP CRM and SAP S/4HANA (Scripting Editor) Version(s) - S4FND 102, 103, 104, 105, 106, 107, 108, 109, SAP_ABA 700, WEBCUIF 700, 701, 730, 731, 746, 747, 748, 800, 801
- SAP NetWeaver AS ABAP and ABAP Platform Version(s) - SAP_BASIS 700, SAP_BASIS 701, SAP_BASIS 702, SAP_BASIS 731, SAP_BASIS 740, SAP_BASIS 750, SAP_BASIS 751, SAP_BASIS 752, SAP_BASIS 753, SAP_BASIS 754, SAP_BASIS 755, SAP_BASIS 756, SAP_BASIS 757, SAP_BASIS 758, SAP_BASIS 804, SAP_BASIS 916, SAP_BASIS 917, SAP_BASIS 918
Suggested Measures:
- Patch according to the solution released on the official website: https://support.sap.com/en/my-support/knowledge-base/security-notes-news/february-2026.html
References:
1. https://www.twcert.org.tw/tw/cp-169-10717-00173-1.html

Computer and Communication Center
Network Systems Division