Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-25.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

INFO

Published Date :

2026-01-20T21:56:21.443Z

Last Modified :

2026-01-21T20:51:46.300Z

Source :

oracle
AFFECTED PRODUCTS

The following products are affected by CVE-2026-21926 vulnerability.

Vendors Products
Oracle
  • Siebel Crm Deployment
  • Siebel Customer Relationship Management Deployment
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-21926.

URL Resource
https://www.oracle.com/security-alerts/cpujan2026.html cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact