---
id: CVE-2026-87251
title: >-
  Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware
  (component: Authentication Engine)
summary: >-
  Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware
  (component: Authentication Engine).  Supported versions that are affected are
  12.2.1.4.0 and  14.1.2.1.0. Easily exploitable vulnerability allows
  unauthentica…
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 Access Manager
affected:
  - oracle_access_manager 12.2.1.4.0
  - oracle_access_manager 14.1.2.1.0
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:23:50.337Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-87251'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.875Z'
---

## Overview

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).  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 SAML to compromise Oracle Access Manager.  Successful attacks of this vulnerability can result in takeover of Oracle Access 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_access_manager 12.2.1.4.0`
- `oracle_access_manager 14.1.2.1.0`

## Remediation

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