CVE-2026-83201: 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 issue?
An unauthenticated attacker with network access to the affected Siebel CRM Deployment HTTP service can exploit it. No user interaction or existing account is required.
Which deployments are affected?
Affected supported versions are 17.0 through 26.7 of Oracle Siebel CRM Deployment, in the Server Infrastructure component.
What could a successful attack allow?
A successful attack can allow unauthorized access to critical data or all data accessible to Siebel CRM Deployment, and unauthorized creation, deletion, or modification of that data.