CVE-2026-83154

Critical CVSS 9.1

Published 2026-09-15 · last changed 2026-09-21

The fix

We hold no Microsoft remediation data for CVE-2026-83154, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User 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).

Sources

NVD record for CVE-2026-83154

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N