CVE-2026-70857

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI).  Supported versions that are affected are 17.0-26.6. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTPS to compromise Siebel CRM End User.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as  unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N).