CVE-2026-91446

Medium

Description

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 takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

SeverityMedium

CVSS6.7

Exploit probability—

Product

Oracle Siebel Crm

PublishedOct 20, 2026

First seenOct 20, 2026

Weakness typeCWE-269Improper privilege management

How to fix

Vendor advisories

oracle.com/security-alerts/cpuoct2026.html

Affected products

Product	Affected versions	Fixed in
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.