CVE-2026-91369

Received Received - Intake

Siebel CRM Cloud Applications Unauthorized Data Modification

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 low privileged attacker with network access via HTTP 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. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N).

CVSS Scores

EPSS Scores

Probability:
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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-2026-91369

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 (component: Siebel Cloud Manager) affecting versions 22.3 to 26.9. It allows a low-privileged attacker with network access via HTTP to compromise the system. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data or all accessible Siebel CRM Cloud Applications data.

Impact Analysis

An attacker could modify or delete important data in your Siebel CRM Cloud Applications, potentially disrupting business operations or causing data loss. Since it requires low privileges and network access, the risk is higher if your system is exposed to untrusted networks.

Compliance Impact

This vulnerability could lead to unauthorized data modification or deletion, violating integrity requirements in GDPR and HIPAA. Compliance may be compromised if sensitive data is altered or exposed due to this flaw.

Mitigation Strategies

Apply the latest Oracle Siebel CRM Cloud Applications patches or updates provided by Oracle to address the vulnerability in the Siebel Cloud Manager component.

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