CVE-2026-0501 in S4HANA Private Cloud and On-Premise
Summary
by MITRE • 01/13/2026
Due to insufficient input validation in SAP S/4HANA Private Cloud and On-Premise (Financials General Ledger), an authenticated user could execute crafted SQL queries to read, modify, and delete backend database data. This leads to a high impact on the confidentiality, integrity, and availability of the application.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 01/13/2026
This vulnerability exists within SAP S/4HANA deployments across both private cloud and on-premise environments specifically affecting the Financials General Ledger module. The root cause stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied data before processing. An authenticated attacker with legitimate credentials can exploit this weakness by crafting malicious SQL queries that bypass normal security controls. The vulnerability falls under the category of SQL injection attacks and aligns with CWE-89 which specifically addresses improper neutralization of special elements used in SQL commands. This flaw represents a critical security gap that allows attackers to directly interact with the underlying database through the application interface.
The technical implementation of this vulnerability enables attackers to perform unauthorized database operations including data retrieval, modification, and deletion. When valid user credentials are presented to the system, the insufficient validation allows malicious input to be interpreted as legitimate SQL commands rather than simple data. This creates an attack surface where attackers can manipulate database queries to extract sensitive financial information, alter transaction records, or completely remove critical data from the General Ledger system. The impact extends beyond simple data access as the vulnerability can be leveraged to compromise the entire database integrity and availability. This aligns with ATT&CK technique T1071.004 which covers application layer protocol manipulation and T1566 which addresses credential access through application exploitation.
The operational consequences of this vulnerability are severe for organizations relying on SAP S/4HANA for their financial operations. A successful exploitation could result in complete financial data compromise including customer information, transaction histories, and accounting records. The confidentiality breach could expose sensitive business information to unauthorized parties, while the integrity compromise would allow attackers to manipulate financial reports and audit trails. Availability is also at risk as attackers could potentially delete critical database objects or corrupt data structures leading to system downtime. Organizations may face regulatory compliance violations, financial losses, and reputational damage from such incidents. The vulnerability affects both cloud and on-premise deployments, meaning organizations cannot avoid the risk by using different deployment models.
Mitigation strategies should focus on immediate patching of affected systems, implementing proper input validation controls, and establishing robust monitoring procedures. SAP has released security patches addressing this vulnerability that organizations must deploy promptly. Network segmentation and principle of least privilege should be enforced to limit potential damage from successful attacks. Database activity monitoring should be implemented to detect unusual query patterns that might indicate exploitation attempts. Additionally, organizations should conduct thorough security assessments of their SAP environments to identify similar vulnerabilities and implement proper code review processes for future development. Regular security training for administrators and developers is essential to prevent similar issues in custom applications built on top of SAP platforms. The vulnerability demonstrates the critical importance of input validation in preventing injection attacks and highlights the need for comprehensive security testing throughout the software development lifecycle.