---
id: CVE-2026-91377
title: >-
  Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM
  (component: Open Integration)
summary: >-
  Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM
  (component: Open Integration).  Supported versions that are affected are
  25.12-26.9. Easily exploitable vulnerability allows unauthenticated attacker
  with network a…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
vendor: Oracle Corporation
product: Siebel CRM Integration
affected:
  - siebel_crm_integration >= 25.12 <= 26.9
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:25:37.917Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91377'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.783Z'
---

## Overview

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration).  Supported versions that are affected are 25.12-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Siebel CRM Integration accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

## Affected

- `siebel_crm_integration >= 25.12 <= 26.9`

## Remediation

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