Vulnerability 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).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oracle | Siebel Customer Relationship Management Deployment | >= 17.0, <= 25.2 |
References
- https://www.oracle.com/security-alerts/cpujan2026.htmlVendor Advisory
FAQ
What is CVE-2026-21926?
CVE-2026-21926 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2026-21926?
CVE-2026-21926 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-21926?
Check the references section above for vendor advisories and patch information. Affected products include: Oracle Siebel Customer Relationship Management Deployment.