A vulnerability exists in the Siebel CRM Integration product (component: EAI) of Oracle Siebel CRM, affecting supported versions 17.0 through 26.7. This vulnerability allows a low privileged attacker with network access via HTTP to potentially take over the Siebel CRM Integration. The CVSS 3.1 base score is 7.5, indicating high severity with impacts on confidentiality, integrity, and availability. Oracle has released security patches addressing this vulnerability in their September 2026 Critical Security Patch Update.