Oracle Siebel CRM Cloud Applications up to 26.9 Siebel Cloud Manager improper authorization

Summaryinfo

A vulnerability classified as problematic has been found in Oracle Siebel CRM Cloud Applications up to 26.9. This vulnerability affects unknown code of the component Siebel Cloud Manager. The manipulation leads to improper authorization. This vulnerability is documented as CVE-2026-91361. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Siebel CRM Cloud Applications up to 26.9 and classified as problematic. This issue affects some unknown processing of the component Siebel Cloud Manager. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is integrity. The summary by CVE is:

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).

It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2026-91361 since 09/15/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/21/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Customer Relationship Management System

Vendor

• Oracle

Name

• Siebel CRM Cloud Applications

Version

• 26.0
• 26.1
• 26.2
• 26.3
• 26.4
• 26.5
• 26.6
• 26.7
• 26.8
• 26.9

License

• commercial

Website

• Vendor: https://www.oracle.com

CPE 2.3info

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