CVE-2026-62455: 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 read access to a subset of Siebel CRM Cloud Applications accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H).

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 Siebel Cloud Manager in supported versions 22.3 through 26.6 are affected.

2

What access does an attacker need?

An attacker needs network access to the affected product over HTTP and low-privileged credentials. No user interaction is required, and the vulnerability is rated low complexity to exploit.

3

What could a successful attack allow?

A successful attack can allow unauthorized creation, deletion, or modification of critical data or all accessible application data. It can also expose a subset of accessible data and cause a hang or frequently repeatable crash resulting in complete denial of service.

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