CVE-2026-91360

Analyzed Analyzed - Analysis Complete

Siebel CRM Cloud Applications Unauthorized Data Access Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-11-04

Assigner: Oracle

Description

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 low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-04

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91360

EUVD

EUVD-2026-106614

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 22.3 (inc) to 26.9 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This vulnerability affects Oracle Siebel CRM Cloud Applications versions 22.3 to 26.9. It allows a low-privileged attacker with network access via HTTP to exploit a flaw in the Siebel Cloud Manager component. Successful exploitation can lead to unauthorized access to critical data or complete access to all accessible data in the Siebel CRM Cloud Applications.

Detection Guidance

Detection of this vulnerability requires monitoring network traffic for unauthorized access attempts to the Siebel CRM Cloud Applications component. Check for unusual HTTP requests targeting the Siebel Cloud Manager. Verify user access logs for low-privileged accounts attempting to access critical data or perform administrative actions.

Impact Analysis

If you use Oracle Siebel CRM Cloud Applications versions 22.3 to 26.9, an attacker could gain access to sensitive data stored in the system. This includes customer information, business data, or other critical records. The impact ranges from unauthorized data access to full control over the application's data.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations due to unauthorized access to sensitive data. Organizations may face legal penalties, loss of customer trust, and reputational damage if such an attack occurs and results in data breaches.

Mitigation Strategies

Apply the latest security patches from Oracle for Siebel CRM Cloud Applications versions 22.3-26.9. Ensure network access controls restrict HTTP access to only trusted sources. Review user privileges to limit low-privileged accounts. Monitor for unauthorized access attempts or unusual data access patterns.

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