CVE-2026-91378

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Siebel CRM Integration Path Traversal Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-10-21

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM Integration, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM Integration accessible data as well as unauthorized read access to a subset of Siebel CRM Integration accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-10-21

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91378

EUVD

EUVD-2026-106632

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Siebel CRM Integration	25.12

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 25.12-26.9. It allows an unauthenticated attacker with network access via HTTP to potentially compromise the system. Exploitation requires human interaction from a victim and may impact other products. Successful attacks can lead to unauthorized data access or modification.

Impact Analysis

An attacker could read or modify some data in Siebel CRM Integration without authentication. This may lead to data breaches, unauthorized changes, or further attacks on connected systems. Human interaction is required, so phishing or social engineering might be involved.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations using affected versions may face compliance violations, fines, or legal consequences if exploited.

Mitigation Strategies

Apply the latest security patches from Oracle for Siebel CRM Integration versions 25.12-26.9. Restrict network access to the HTTP interface of Siebel CRM Integration to trusted sources only. Monitor for unusual data access or modifications in the Siebel CRM Integration environment.

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EPSS Chart

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