Vulnerability in Oracle Corporation Siebel Crm Deployment
CVE-2026-91423
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 high 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 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 6.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
References
- www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-91423?
- CVE-2026-91423 is a medium-severity vulnerability in Oracle Corporation Siebel Crm Deployment. CVSS score: 6.0/10. Published 2026-10-20.
- How severe is CVE-2026-91423?
- Medium severity. CVSS v3 base score is 6.0 out of 10.