SAP S/4HANA AuthZ Escalation via Unshared Reprocess Bank Statement Items
CVE-2026-66764 Published on August 11, 2026
Missing Authorization check in SAP S/4 HANA (Reprocess Bank Statement Items)
Reprocess Bank Statement Items in SAP S/4HANA does not perform the necessary authorization checks for authenticated users, allowing them to use rules that have not been shared with them, resulting in privilege escalation.This vulnerability has a low impact on confidentiality, with no impact on integrity and availability of the application
Vulnerability Analysis
CVE-2026-66764 is exploitable 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 have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2026-66764 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2026-66764
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Affected Versions
SAP_SE SAP S/4 HANA (Reprocess Bank Statement Items):- Version S4CORE 104 is affected.
- Version 105 is affected.
- Version 106 is affected.
- Version 107 is affected.
- Version 108 is affected.
- Version 109 is affected.