---
id: CVE-2026-83154
title: >-
  Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM
  (component: Open UI)
summary: >-
  Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM
  (component: Open UI).  Supported versions that are affected are 17.0-26.7.
  Easily exploitable vulnerability allows unauthenticated attacker with network
  access via SOA…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-287
  - CWE-306
vendor: oracle
product: siebel_crm
affected:
  - 'siebel_crm >= 17.0, <= 26.7'
published: '2026-09-15'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T16:54:13.387'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83154'
references:
  - url: 'https://www.oracle.com/security-alerts/cspusep2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
  - cve.org
epss: 0.00329
epssPercentile: 0.26323
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-15T22:47:29.534806Z'
ingestedAt: '2026-09-15T20:44:02.471Z'
---

## Overview

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI).  Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Siebel CRM End User.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as  unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

## Affected

- `siebel_crm >= 17.0, <= 26.7`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.