A vulnerability exists in the Oracle iStore product of Oracle E-Business Suite, specifically in the Shopping Cart component, affecting versions 12.2.3 through 12.2.15. This vulnerability allows a low privileged attacker with network access via HTTP to compromise Oracle iStore, potentially leading to unauthorized access to critical data. The vulnerability has a CVSS 3.1 base score of 7.7, indicating high severity with significant confidentiality impact. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches promptly to mitigate the risk.