A vulnerability exists in the Oracle Field Service product of Oracle E-Business Suite (component: Internal Operations) affecting versions 12.2.3 through 12.2.15. This vulnerability allows a low privileged attacker with network access via HTTP to compromise Oracle Field Service, potentially resulting in 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 addressed this vulnerability in its September 2026 Critical Security Patch Update, which includes patches for Oracle E-Business Suite versions 12.2.3 to 12.2.15. Oracle strongly recommends applying these patches promptly to mitigate the risk.