CVE-2026-62452: Critical severity Oracle Siebel CRM Cloud Applications vulnerability

Published Aug 18, 2026
·
Updated

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L).

Affected Software

2 affected components
Oracle Siebel CRM Cloud Applications>=22.3<=26.6
Oracle Siebel CRM>=22.3<=26.6

Event History

Aug 18, 2026
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionSeverity
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

Which deployments are affected?

Oracle Siebel CRM Cloud Applications deployments using the Siebel Cloud Manager component in supported versions 22.3 through 26.6 are affected.

2

Does exploitation require an account or user interaction?

No. The vulnerability is exploitable by an unauthenticated attacker with network access over HTTP, with no user interaction required.

3

What access could an attacker obtain?

Successful exploitation can expose critical data or all accessible Siebel CRM Cloud Applications data. An attacker may also be able to update, insert, or delete some accessible data and cause a partial denial of service.

4

Can the impact extend beyond the vulnerable application?

Yes. The vulnerability has scope change, and attacks may significantly affect additional products.

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