CVE-2026-70859

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: REST).  Supported versions that are affected are 17.0-26.6. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Integration.  While the vulnerability is in Siebel CRM Integration, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in takeover of Siebel CRM Integration. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).