CVE-2026-91364

Received Received - Intake

Siebel CRM Cloud Applications Physical Access Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-10-20

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 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. 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 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-20

Last Modified

2026-10-20

Generated

2026-10-21

AI Q&A

2026-10-21

EPSS Evaluated

N/A

NVD

CVE-2026-91364

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle	Corporation	Siebel CRM Cloud Applications 22.3

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 affecting versions 22.3-26.9. It allows an unauthenticated attacker with access to the physical network segment where the application runs to exploit it. Successful exploitation could lead to unauthorized access, modification, or deletion of critical data within the application.

Detection Guidance

This vulnerability requires physical access to the network segment where Siebel CRM Cloud Applications operates. Detection may involve monitoring network traffic for unauthorized access attempts or unusual data modifications within the Siebel environment. Check Oracle's official advisories for specific tools or logs to review.

Impact Analysis

If exploited, this vulnerability could allow attackers to gain unauthorized access to sensitive data, modify or delete critical information, or perform actions as if they were legitimate users. This could lead to data breaches, loss of data integrity, or unauthorized system access.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected versions may face legal penalties, reputational damage, or loss of certification due to data breaches or integrity issues.

Mitigation Strategies

Restrict physical access to the network segment hosting Siebel CRM Cloud Applications. Apply Oracle's security patches or updates for versions 22.3-26.9. Monitor critical data for unauthorized changes and enforce strict access controls.

Hi! I’m here to help you understand CVE-2026-91364. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70