CVE-2026-101467

Analyzed Analyzed - Analysis Complete

Authentication Bypass in Siebel CRM End User

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Oracle

Description

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Portal Framework). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Siebel CRM End User. 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 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-05

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101467

EUVD

EUVD-2026-105883

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) where an unauthenticated attacker can remotely exploit it via HTTPS to compromise the system. Successful exploitation may allow unauthorized creation, deletion, or modification of critical data, or unauthorized access to all accessible data in Siebel CRM.

Detection Guidance

Detection of this vulnerability requires monitoring for unauthorized access or modifications to Siebel CRM End User data. Check Oracle's security advisories and apply patches for versions 17.0-26.9. Network traffic analysis for unusual HTTPS requests to the Siebel CRM portal may help identify exploitation attempts.

Impact Analysis

An attacker could gain full access to sensitive customer or business data stored in Siebel CRM, leading to data breaches, financial loss, or reputational damage. Unauthorized modifications could corrupt critical records, disrupting operations.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR (data protection) and HIPAA (health data privacy) by exposing or altering sensitive personal or health information. Organizations may face legal penalties, fines, or mandatory breach notifications.

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 End User component via HTTPS to trusted sources only. Monitor for unauthorized data modifications or access attempts in the Siebel CRM system.

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