CVE-2026-83191

Received Received - Intake

Remote Code Execution in Siebel CRM Deployment

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 unauthenticated attacker with network access via TCP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 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-2026-83191

EUVD

EUVD-2026-79543

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 an unauthenticated attacker with network access to potentially take over the system. The attack requires network access via TCP and is difficult to exploit. It has a high impact on confidentiality, integrity, and availability.

Detection Guidance

Detection of CVE-2026-83191 requires checking for vulnerable versions of Oracle Siebel CRM Deployment (17.0-26.7). Inspect installed software versions and network services listening on TCP ports associated with Siebel CRM Deployment. Use commands like 'netstat -tuln' or 'ss -tuln' to identify open ports and 'dpkg -l' or 'rpm -qa' to check installed packages.

Impact Analysis

If exploited, this vulnerability could allow an attacker to fully compromise the Siebel CRM Deployment system, leading to unauthorized access, data breaches, or system takeover. This could result in loss of sensitive data, service disruption, or further network infiltration.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations due to unauthorized data access or breaches. Organizations using affected versions may face legal penalties, reputational damage, and loss of customer trust.

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 TCP to trusted sources only. Monitor Oracle's security advisories for additional mitigation guidance.

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