CVE-2026-83087

Received Received - Intake

Siebel CRM Cloud Applications Unauthorized Data Access Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.7. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).

CVSS Scores

EPSS Scores

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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-2026-83087

EUVD

EUVD-2026-79415

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm_cloud_applications	From 22.3 (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 Cloud Applications (component: Siebel Cloud Manager) affecting versions 22.3-26.7. It allows a low-privileged attacker with network access via HTTP to compromise the system. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data, or unauthorized access to all accessible data in Siebel CRM Cloud Applications.

Detection Guidance

Detection requires checking for vulnerable versions of Oracle Siebel CRM Cloud Applications (22.3-26.7). Inspect installed software versions and network traffic for HTTP access to Siebel Cloud Manager. No specific commands are provided in the context.

Impact Analysis

An attacker could gain unauthorized access to sensitive data, modify or delete critical information, or disrupt operations in Siebel CRM Cloud Applications. The impact includes potential data breaches, loss of data integrity, and unauthorized system access, which could affect business operations and reputation.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate compliance requirements under GDPR (data protection) and HIPAA (healthcare data privacy). Organizations using affected versions may face legal penalties, loss of certification, or reputational damage due to non-compliance.

Mitigation Strategies

Apply the latest Oracle Siebel CRM Cloud Applications patches or updates as soon as possible. Ensure network access controls are in place to restrict HTTP access to trusted sources only. Monitor for unauthorized data modifications or access attempts in Siebel CRM Cloud Applications.

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