CVE-2026-91439: Medium 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 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes 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. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
Affected Software
Event History
Frequently Asked Questions
Who is realistically exposed to this vulnerability?
Instances of Oracle Siebel CRM Deployment using supported affected versions 17.0 through 26.9 are exposed when an attacker can log on to the infrastructure where the deployment executes. The issue is locally exploitable and requires low-level privileges.
What does an attacker need to exploit it?
An attacker needs a valid low-privileged logon to the infrastructure hosting Siebel CRM Deployment. No user interaction is required, and the attack complexity is low.
What is the likely impact of successful exploitation?
Successful exploitation can expose critical data or provide access to all data accessible to Siebel CRM Deployment. The stated impact is confidentiality only; integrity and availability impacts are not identified.