Vulnerability in Oracle Corporation Siebel Crm End User
CVE-2026-83203
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM End User accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM End User accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM End User. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.
Affected products
References
- secalert_us@oracle.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-83203?
- CVE-2026-83203 is a high-severity vulnerability in Oracle Corporation Siebel Crm End User. CVSS score: 8.6/10. Published 2026-09-15.
- How severe is CVE-2026-83203?
- High severity. CVSS v3 base score is 8.6 out of 10.