CVE-2026-91365

Analyzed Analyzed - Analysis Complete

Siebel CRM Cloud Applications Network Access Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-11-04

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 access to critical data or complete access to all Siebel CRM Cloud Applications accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-04

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91365

EUVD

EUVD-2026-106619

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 22.3 (inc) to 26.9 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM Cloud Applications (versions 22.3-26.9) where an unauthenticated attacker with access to the physical network segment can exploit it to compromise the system. Successful exploitation may lead to unauthorized access to critical data or full access to all application data, as well as unauthorized modifications to some data.

Detection Guidance

Detection requires monitoring network traffic for unauthorized access attempts to Siebel CRM Cloud Applications. Check logs for unusual data access or modification patterns. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could allow attackers to steal sensitive data, alter or delete data, or gain full control over the Siebel CRM system. This could disrupt business operations, lead to data breaches, or cause compliance violations depending on the data stored.

Compliance Impact

This vulnerability could lead to unauthorized access or exposure of sensitive data, which may violate GDPR (data protection) or HIPAA (health information privacy) requirements. Organizations using affected versions must address this to maintain compliance.

Mitigation Strategies

Apply Oracle's official patches or updates for versions 22.3-26.9. Restrict physical and network access to the hardware running Siebel CRM Cloud Applications. Monitor critical data for unauthorized changes.

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EPSS Chart

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