CVE-2026-83218

Received Received - Intake

Siebel CRM Deployment Unauthorized Data Access Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-18

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 unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Deployment accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Deployment 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

EPSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-18

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83218

EUVD

EUVD-2026-79570

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-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 17.0-26.7) that allows an unauthenticated attacker with network access via HTTP to compromise the system. It can lead to unauthorized creation, deletion, or modification of critical data, as well as unauthorized access to all accessible data in Siebel CRM Deployment.

Impact Analysis

An attacker could exploit this to alter or delete sensitive data, steal confidential information, or gain full access to your Siebel CRM Deployment system. This could disrupt business operations, lead to data breaches, or cause compliance violations.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of personal or sensitive data, violating GDPR (data protection) and HIPAA (health information privacy) requirements. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches or updates for versions 17.0-26.7 to address the vulnerability. Restrict network access to the Siebel CRM Deployment component via HTTP to trusted sources only. Monitor for unauthorized data modifications or access attempts.

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