CVE-2026-91446

Analyzed Analyzed - Analysis Complete

Privilege Escalation in Siebel CRM Deployment

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. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

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-2026-91446

EUVD

EUVD-2026-106696

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-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This vulnerability is in Oracle Siebel CRM Deployment, specifically in the Server Infrastructure component. It affects versions 17.0 to 26.9. An attacker with high privileges and local access can exploit it to take over the Siebel CRM Deployment system. The vulnerability has a CVSS score of 6.7, indicating impacts on confidentiality, integrity, and availability.

Detection Guidance

Detection requires checking for Oracle Siebel CRM Deployment versions 17.0-26.9. Verify installed versions via application logs or system inventory tools. Monitor for unauthorized administrative access or unusual activity in Siebel CRM Deployment logs.

Impact Analysis

If exploited, this vulnerability could allow an attacker to fully compromise the Siebel CRM Deployment system. This could lead to unauthorized access, data breaches, system manipulation, or complete takeover of the affected infrastructure.

Compliance Impact

This vulnerability allows a high-privileged attacker with local access to compromise Siebel CRM Deployment, potentially leading to unauthorized access, data breaches, or system takeover. Such incidents could violate compliance requirements under GDPR (data protection) and HIPAA (healthcare data security) by exposing sensitive customer or patient information.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches or updates for versions 17.0-26.9 to address the vulnerability. Ensure only trusted users have high privileged access to the infrastructure where Siebel CRM Deployment executes.

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EPSS Chart

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