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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
Published: 2026-10-20
Score: 3.7 Low
EPSS: < 1% Very Low
KEV: No
Impact: Information Disclosure
Action: Patch
AI Analysis

Impact

A vulnerability in the Siebel CRM End User product allows an unauthenticated attacker with network access via HTTP to obtain unauthorized read access to a subset of data. The flaw is characterized by a low confidentiality impact, as reflected in the CVSS 3.1 vector with a low impact on confidentiality and no impact on integrity or availability.

Affected Systems

Oracle Siebel CRM End User, versions 17.0 through 26.9, specifically the Open UI component.

Risk and Exploitability

The CVSS base score of 3.7 classifies the issue as low severity. The EPSS score is not available, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog. Attackers can reach the affected system over the network using standard HTTP, and authentication is not required to exploit the flaw.

Generated by OpenCVE AI on October 21, 2026 at 09:13 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the Oracle CPU Oct 2026 update that addresses the Open UI read‑access issue
  • Configure firewalls or access‑control lists to limit HTTP access to the Siebel CRM End User server to trusted hosts only
  • Enforce proper data‑level access controls so that only authorized users can view the subset of data exposed by the flaw

Generated by OpenCVE AI on October 21, 2026 at 09:13 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 04 Nov 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Oracle siebel Crm
CPEs cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*
Vendors & Products Oracle siebel Crm

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

Type Values Removed Values Added
Metrics ssvc

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

Wed, 21 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
Title Unauthorized Read Access via Unauthenticated HTTP in Siebel CRM End User
Weaknesses CWE-200

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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/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': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Subscriptions

Oracle Siebel Crm Siebel Crm End User
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-21T15:06:29.933Z

Reserved: 2026-09-14T22:10:16.632Z

Link: CVE-2026-91391

cve-icon Vulnrichment

Updated: 2026-10-21T15:06:25.396Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-20T22:20:42.397

Modified: 2026-11-04T17:07:11.030

Link: CVE-2026-91391

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T21:00:10Z

Weaknesses
  • CWE-200

    Exposure of Sensitive Information to an Unauthorized Actor