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 network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Deployment accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L).
Published: 2026-10-20
Score: 8.3 High
EPSS: n/a
KEV: No
Impact: Data Compromise
Action: Immediate Patch
AI Analysis

Impact

The vulnerability permits a low‑privileged attacker to access the Siebel CRM Deployment over HTTP and create, delete, or modify critical data, potentially gaining full data access and causing a partial denial of service. The flaw is an exploitation of inadequate access control that allows unauthorized activities without user interaction.

Affected Systems

Oracle Siebel CRM Deployment; affected supported versions range from 17.0 to 26.9.

Risk and Exploitability

The CVSS v3.1 score of 8.3 highlights high confidentiality, integrity, and moderate availability impact. The EPSS score is unavailable and the vulnerability is not listed in CISA KEV. The likely attack vector is a network‑based exploitation over HTTP, requiring only low‑privileged credentials and no UI interaction. Exploitation could lead to unauthorized data manipulation or partial service disruption.

Generated by OpenCVE AI on October 20, 2026 at 23:46 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the Oracle patch or upgrade to a supported version beyond 26.9 that resolves CVE‑2026‑101459.
  • Restrict HTTP access to Siebel CRM Deployment to trusted IP ranges or networks to reduce exposure.
  • Perform a configuration review and enable detailed logging to detect and investigate unauthorized actions.

Generated by OpenCVE AI on October 20, 2026 at 23:46 UTC.

Tracking

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Advisories

No advisories yet.

History

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

Type Values Removed Values Added
Title Low‑Privilege HTTP Access Control Bypass in Oracle Siebel CRM Deployment
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 network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Deployment accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L).
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': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'}

Subscriptions

Oracle Siebel Crm Deployment
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-20T21:20:58.309Z

Reserved: 2026-09-28T15:40:09.485Z

Link: CVE-2026-101459

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T22:17:54.670

Modified: 2026-10-20T22:17:54.670

Link: CVE-2026-101459

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T00:00:13Z

Weaknesses