CVE-2026-83212

Received Received - Intake

Authentication Bypass in Siebel Apps - Self Service

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

Vulnerability in the Siebel Apps - Self Service product of Oracle Siebel CRM (component: Helpdesk/Training). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel Apps - Self Service. Successful attacks of this vulnerability can result in takeover of Siebel Apps - Self Service. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-83212

EUVD

EUVD-2026-79564

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	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's Self Service product, specifically in the Helpdesk/Training component. It affects versions 17.0 to 26.7. The flaw allows a low-privileged attacker with network access to take over the system via HTTP requests. The CVSS score is 8.8, indicating high impact on confidentiality, integrity, and availability.

Detection Guidance

Detection requires checking for vulnerable versions of Oracle Siebel CRM Self Service (17.0-26.7). Inspect installed software versions and network traffic for HTTP access to affected components. No specific commands are provided in the context.

Impact Analysis

An attacker could exploit this to gain full control of the Siebel Apps - Self Service system. This could lead to unauthorized access to sensitive data, modification or deletion of records, and disruption of services. The impact is severe due to the high CVSS score and potential for complete system takeover.

Compliance Impact

This vulnerability could lead to breaches of GDPR or HIPAA by exposing sensitive personal or health data. Unauthorized access or data modification could result in non-compliance with these regulations, potentially leading to 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 Apps - Self Service component via HTTP to trusted sources only. Review and enforce strict access controls for low-privileged users.

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