Description
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
Published: 2026-10-20
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized Data Access
Action: Check for Updates
AI Analysis

Impact

A flaw in the Server Infrastructure component of Oracle Siebel CRM Deployment permits a low‑privileged attacker who can log onto the same environment to read confidential data or, if they gain sufficient authority, to obtain all data that the deployment can access. The weakness is caused by improper access control (CWE‑269), which allows data exposure without affecting integrity or availability.

Affected Systems

Oracle Corporation’s Siebel CRM Deployment product, versions 17.0 through 26.9, is vulnerable. No other versions were listed in the advisory, so the impact is confined to those releases.

Risk and Exploitability

The CVSS 3.1 score of 5.5 indicates moderate severity, while the EPSS score of less than 1% implies a low likelihood of exploitation at present. The vulnerability is not listed in the CISA KEV catalog. Attackers must be authenticated to the infrastructure hosting the application; thus the attack surface is limited to users who can log onto that environment. Nevertheless, the potential for unauthorized data access warrants early attention as an update becomes available.

Generated by OpenCVE AI on October 24, 2026 at 01:25 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Follow the Oracle CPU October 2026 advisory to learn about available updates or patches
  • Restrict infrastructure access to enforce the principle of least privilege, ensuring only users with necessary roles can log on
  • Disable or remove unused user accounts and routinely review audit logs for anomalous logon activity

Generated by OpenCVE AI on October 24, 2026 at 01:25 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 04 Nov 2026 02:15:00 +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

Sat, 24 Oct 2026 01:45:00 +0000

Type Values Removed Values Added
Title Siebel CRM Deployment Improper Access Control Allows Low-Privileged Data Exposure

Sat, 24 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Title Improper Access Control in Oracle Siebel CRM Deployment Allows Unauthorized Data Access
Weaknesses CWE-284

Fri, 23 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-269
Metrics ssvc

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


Wed, 21 Oct 2026 10:15:00 +0000

Type Values Removed Values Added
Title Improper Access Control in Oracle Siebel CRM Deployment Allows Unauthorized Data Access
Weaknesses CWE-284

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

Type Values Removed Values Added
Description Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
First Time appeared Oracle
Oracle siebel Crm Deployment
CPEs cpe:2.3:a:oracle:siebel_crm_deployment:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle siebel Crm Deployment
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}


Subscriptions

Oracle Siebel Crm Siebel Crm Deployment
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-23T20:26:15.602Z

Reserved: 2026-09-14T22:10:16.635Z

Link: CVE-2026-91439

cve-icon Vulnrichment

Updated: 2026-10-23T20:26:10.346Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-20T22:20:47.440

Modified: 2026-11-04T02:03:10.137

Link: CVE-2026-91439

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-24T01:30:18Z

Weaknesses
  • CWE-269

    Improper Privilege Management