CVE-2026-91429

Analyzed Analyzed - Analysis Complete

Siebel CRM Deployment Server Infrastructure Access Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-11-04

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/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-2026-91429

EUVD

EUVD-2026-106679

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 Deployment versions 17.0 to 26.9. It allows an unauthenticated attacker with network access via HTTP to potentially compromise the system. Successful exploitation could lead to unauthorized access to critical data or full access to all accessible data, as well as unauthorized modifications to some data.

Detection Guidance

This vulnerability affects Oracle Siebel CRM Deployment versions 17.0-26.9 and can be exploited via HTTP. Detection may involve checking for unusual network traffic or unauthorized access attempts to the Siebel CRM Deployment component. Review server logs for HTTP requests targeting the affected component and verify if any unauthorized data access or modifications occurred.

Impact Analysis

If exploited, this vulnerability could allow attackers to steal sensitive data, modify or delete data, or gain full control over the Siebel CRM Deployment system. This may lead to data breaches, financial loss, or operational disruptions depending on the system's role in your organization.

Compliance Impact

This vulnerability could lead to unauthorized access or disclosure of personal or sensitive data, violating GDPR, HIPAA, or other privacy regulations. Organizations using affected versions may face compliance violations, legal penalties, and reputational damage due to potential data breaches.

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 Deployment component via HTTP to trusted sources only. Monitor for unauthorized access or data changes in the Siebel CRM system.

Hi! I’m here to help you understand CVE-2026-91429. 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...