Auth bypass in Oracle Corporation Siebel Crm Deployment

CVE-2026-83202

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).

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-83202?
CVE-2026-83202 is a critical-severity vulnerability in Oracle Corporation Siebel Crm Deployment, classified under Improper Authentication. CVSS score: 9.1/10. Published 2026-09-15.
How severe is CVE-2026-83202?
Critical severity. CVSS v3 base score is 9.1 out of 10.