CVE-2026-61321: High 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 low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

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?

The affected component is Siebel Cloud Manager in Oracle Siebel CRM Cloud Applications. Supported affected versions are 22.3 through 26.6.

2

What access does an attacker need to exploit this issue?

An attacker needs network access to the target over HTTP and low-privileged credentials. No user interaction is required, and the attack complexity is low.

3

What could a successful attacker do?

A successful attack can allow unauthorized access to critical data or all accessible Siebel CRM Cloud Applications data. It can also allow unauthorized creation, deletion, or modification of critical data or all accessible data.

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