CVE-2026-91426: 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?
Siebel CRM Deployment instances running affected supported versions 17.0 through 26.9 are exposed when an attacker can log on with low privileges to the infrastructure where Siebel CRM Deployment executes. The attack vector is local rather than network-based.
What access does an attacker need to exploit it?
An attacker needs a low-privileged authenticated account on the infrastructure hosting Siebel CRM Deployment. No user interaction is required, and the vulnerability is described as easily exploitable.
What is the potential impact if exploitation succeeds?
Successful exploitation can give an attacker unauthorized access to critical data or complete access to all data accessible to Siebel CRM Deployment. The stated impact is confidentiality only; integrity and availability impacts are not listed.