---
id: CVE-2026-91359
title: >-
  Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel
  CRM (component: Siebel Cloud Manager)
summary: >-
  Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel
  CRM (component: Siebel Cloud Manager).  Supported versions that are affected
  are 22.3-26.9. Easily exploitable vulnerability allows unauthenticated
  attacker with…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cvssSource: cna
vendor: Oracle Corporation
product: Siebel CRM Cloud Applications
affected:
  - siebel_crm_cloud_applications >= 22.3 <= 26.9
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:25:31.537Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91359'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.788Z'
---

## Overview

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).  Supported versions that are affected are 22.3-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Cloud Applications.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

## Affected

- `siebel_crm_cloud_applications >= 22.3 <= 26.9`

## Remediation

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