CVE-2026-83212: Oracle Corporation Siebel Apps - Self Service

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Vulnerability in the Siebel Apps - Self Service product of Oracle Siebel CRM (component: Helpdesk/Training). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel Apps - Self Service. Successful attacks of this vulnerability can result in takeover of Siebel Apps - Self Service. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Affected products

• Oracle Corporation Siebel Apps - Self Service: from 17.0, up to and including 26.7

Published 2026-09-15. Last modified 2026-09-17.