CVE-2026-91412

Analyzed Analyzed - Analysis Complete

Siebel CRM End User Unauthorized Data Access Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-11-04

Assigner: Oracle

Description

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM End User 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

EPSS Scores

Probability:
Percentile:

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-2026-91412

EUVD

EUVD-2026-106664

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 17.0 (inc) to 26.9 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM End User (versions 17.0-26.9) affecting the Open UI component. It allows a low-privileged attacker with network access via HTTP to exploit it and gain unauthorized access to critical data or all accessible data in Siebel CRM End User.

Impact Analysis

An attacker could access sensitive data stored in Siebel CRM, including customer information, business data, or other critical records. This could lead to data breaches, loss of confidential information, or unauthorized modifications to data.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations due to unauthorized data access. Organizations may face legal penalties, fines, or reputational damage if sensitive data is compromised.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches or updates for versions 17.0-26.9 to address the vulnerability. Restrict network access to the Siebel CRM Open UI component via HTTP to trusted sources only. Review and enforce least-privilege access controls for users to minimize potential data exposure.

Hi! I’m here to help you understand CVE-2026-91412. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70

EPSS Chart

Security Radar

News mentioning this vulnerability

Loading related security news...