CVE-2026-83215

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). 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 Deployment. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).

  • Published Sep 15, 2026
  • CVSS 8.2 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-83215 at the National Vulnerability Database