CVE-2026-83226

Received Received - Intake

Siebel CRM Deployment Server Infrastructure Takeover

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83226

EUVD

EUVD-2026-79578

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm_deployment	From 17.0 (inc) to 26.7 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM Deployment (versions 17.0-26.7) that allows a low-privileged attacker with network access to take over the system via HTTP. It has a CVSS score of 7.5, indicating high impact on confidentiality, integrity, and availability.

Detection Guidance

Detection of CVE-2026-83226 requires monitoring for unauthorized access attempts to the Siebel CRM Deployment server via HTTP. Check server logs for unusual HTTP requests or patterns indicating exploitation attempts. Ensure the server is running a patched version (17.0-26.7 or later).

Impact Analysis

An attacker could exploit this to gain full control of the Siebel CRM Deployment system, potentially leading to data breaches, unauthorized modifications, or service disruption.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate GDPR (data protection) or HIPAA (health data privacy) requirements, potentially resulting in legal penalties or compliance violations.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for Siebel CRM Deployment versions 17.0-26.7. Ensure network access via HTTP is restricted to trusted sources only. Review and update user privileges to enforce least privilege principles.

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