CVE-2026-83218: High 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. Difficult to exploit 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 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
Affected Software
Event History
Frequently Asked Questions
Which deployments are exposed to this issue?
Oracle Siebel CRM Deployment Server Infrastructure installations on supported versions 17.0 through 26.7 are affected if they are reachable over HTTP from an attacker’s network location.
Does an attacker need credentials or user interaction to exploit it?
No. The vulnerability can be exploited by an unauthenticated attacker with network access via HTTP, and it does not require user interaction. Exploitation is described as difficult, reflected by the high attack-complexity rating.
What could a successful attack allow?
A successful attack could allow unauthorized access to critical data or all data accessible to Siebel CRM Deployment. It could also permit unauthorized creation, deletion, or modification of that data.