SAP S/4HANA Instance-Level Auth Bypass in Business Object Modification
CVE-2026-89121 Published on October 13, 2026
Missing Authorization Check in SAP S/4HANA (Linear Asset Management RAP Business Object)
SAP S/4HANA does not perform sufficient instance-level authorization checks for certain modification operations on associated business object data. An attacker with low privileges and local access to the system could bypass authorization checks to modify data belonging to objects they are not authorized for. This results in a high impact on integrity. There is no impact on confidentiality and availability.
Vulnerability Analysis
CVE-2026-89121 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-89121 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-89121
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