---
id: CVE-2026-91408
title: >-
  Vulnerability in the Oracle Identity Manager product of Oracle Fusion
  Middleware (component: End User Self Service)
summary: >-
  Vulnerability in the Oracle Identity Manager product of Oracle Fusion
  Middleware (component: End User Self Service).  Supported versions that are
  affected are 12.2.1.4.0 and  14.1.2.1.0. Easily exploitable vulnerability
  allows unauthenti…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
vendor: Oracle Corporation
product: Oracle Identity Manager
affected:
  - oracle_identity_manager 12.2.1.4.0
  - oracle_identity_manager 14.1.2.1.0
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:25:48.444Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91408'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.764Z'
---

## Overview

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: End User Self Service).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle Identity Manager.  Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

## Affected

- `oracle_identity_manager 12.2.1.4.0`
- `oracle_identity_manager 14.1.2.1.0`

## Remediation

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