Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, 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 End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).
History

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Title Low-Privilege HTTP Exploit in Siebel CRM End User Enables Unauthorized Data Modification
Weaknesses CWE-250
CWE-284
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, 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 End User accessible data as well as unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).
First Time appeared Oracle
Oracle siebel Crm End User
CPEs cpe:2.3:a:oracle:siebel_crm_end_user:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle siebel Crm End User
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published: 2026-10-20T21:25:42.069Z

Updated: 2026-10-21T15:08:01.708Z

Reserved: 2026-09-14T22:10:16.631Z

Link: CVE-2026-91389

cve-icon Vulnrichment

Updated: 2026-10-21T15:07:56.972Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T22:20:42.160

Modified: 2026-10-21T18:45:11.277

Link: CVE-2026-91389

cve-icon Redhat

No data.