CVE-2026-101463

High

Description

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: UIF Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

SeverityHigh

CVSS7.5

Exploit probability—

Product

Siebel CRM End User

PublishedOct 20, 2026

First seenOct 20, 2026

Weakness typeCWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/cpuoct2026.html

Affected products

Product	Affected versions	Fixed in
Oracle Corporation Siebel CRM End User	17.0 ≤ v ≤ 26.9	—
oracle siebel_crm	17.0 ≤ v ≤ 26.9	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.