CVE-2026-91427

Low

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 unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 2.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L).

SeverityLow
CVSS2.3
Exploit probability—
ProductOracle Siebel Crm
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-404CWE-404

How to fix

Affected products

ProductAffected versionsFixed in
oracle siebel_crm17.0 ≤ v ≤ 26.9—

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CVE-2026-91427 · Oracle Siebel Crm · Dark Radar