CVE-2026-62590

Analyzed Analyzed - Analysis Complete

Siebel CRM Integration Remote Code Execution

Publication date: 2026-08-18

Last updated on: 2026-08-20

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.6. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Integration. While the vulnerability is in Siebel CRM Integration, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Siebel CRM Integration. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS Scores

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Meta Information

Published

2026-08-18

Last Modified

2026-08-20

Generated

2026-09-08

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-07

NVD

CVE-2026-62590

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 25.12 (inc) to 26.6 (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 Integration (component: Open Integration) affecting versions 25.12 to 26.6. It allows a low-privileged attacker with network access via HTTP to potentially take over the Siebel CRM Integration system. The attack may also impact other connected products due to scope change.

Detection Guidance

Detection of CVE-2026-62590 requires monitoring for unauthorized access attempts to the Siebel CRM Integration component via HTTP. Check Oracle Siebel logs for unusual activity, especially low-privileged user access patterns. Inspect network traffic for HTTP requests targeting the affected component. Ensure all patches for Siebel CRM Integration versions 25.12-26.6 are applied.

Impact Analysis

An attacker could exploit this to gain control of the Siebel CRM Integration system, leading to unauthorized access, data breaches, or disruption of services. This could affect confidentiality, integrity, and availability of critical business data.

Compliance Impact

This vulnerability could lead to data breaches, which may violate GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations using affected versions may face compliance violations, legal penalties, and reputational damage.

Mitigation Strategies

Apply the latest security patches from Oracle for Siebel CRM Integration versions 25.12-26.6. Restrict network access to the HTTP interface and limit privileges for users. Monitor for unusual activity and update affected systems immediately.

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