Oracle Siebel CRM End User up to 26.7 Open UI privileges management

Summaryinfo

A vulnerability described as critical has been identified in Oracle Siebel CRM End User up to 26.7. This impacts an unknown function of the component Open UI. Executing a manipulation can lead to privileges management. This vulnerability is tracked as CVE-2026-83146. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Oracle Siebel CRM End User up to 26.7. This vulnerability affects an unknown code block of the component Open UI. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N).

The advisory is shared for download at oracle.com. This vulnerability was named CVE-2026-83146 since 08/31/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/16/2026). The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Customer Relationship Management System

Vendor

• Oracle

Name

• Siebel CRM End User

Version

• 26.0
• 26.1
• 26.2
• 26.3
• 26.4
• 26.5
• 26.6
• 26.7

License

• commercial

Website

• Vendor: https://www.oracle.com

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