CVE-2026-83202: Critical severity Oracle Siebel CRM Deployment vulnerability
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 creation, deletion or modification access to critical data or all Siebel CRM Deployment accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
Affected Software
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An unauthenticated attacker with network access to the affected Siebel CRM Deployment service over HTTP can exploit it. No privileges or user interaction are required.
Which deployments should be considered exposed?
Oracle Siebel CRM Deployment Server Infrastructure installations on supported versions 17.0 through 26.7 are affected. Any such installation reachable by an attacker over HTTP should be treated as exposed.
What is the potential impact of a successful attack?
An attacker may gain unauthorized access to critical data or all data accessible to Siebel CRM Deployment. They may also create, delete, or modify critical data or all accessible deployment data.