CVE-2026-47036: Oracle Siebel CRM

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Siebel Approval Manager). Supported versions that are affected are 17.0-26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Development. Successful attacks of this vulnerability can result in takeover of Siebel CRM Development. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected products

• Oracle Siebel CRM: from 17.0, up to and including 26.3

Published 2026-07-21. Last modified 2026-08-05.