SAP S/4HANA - Unvalidated Input in Domain-Specific Scripting Allows ABAP RCE
CVE-2026-89107 Published on October 13, 2026
Code Injection vulnerability in SAP S/4HANA (Manage Substitution/Validation Rules)
SAP S/4HANA (Manage Substitution/Validation Rules) does not sufficiently validate input processed by rule definition functionality that utilizes a domain-specific scripting language. An authenticated attacker with specific business privileges could submit specially crafted input, which is interpreted as executable ABAP code by the rule processing logic. Successful exploitation could allow the attacker to execute ABAP arbitrary code into the system, resulting in full compromise of the affected system and high impact on confidentiality, integrity, and availability of the system.
Vulnerability Analysis
CVE-2026-89107 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-89107 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-89107
Want to know whenever a new CVE is published for SAP S4hana? stack.watch will email you.
Affected Versions
SAP_SE SAP S/4HANA (Manage Substitution/Validation Rules):- Version S4CORE 105 is affected.
- Version 106 is affected.
- Version 107 is affected.
- Version 108 is affected.
- Version 109 is affected.