---
id: CVE-2026-83407
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  14.1.2.0.0. Easily exploitable vulnerability allows
  unauthentica…
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L'
cvssSource: cna
vendor: Oracle Corporation
product: Oracle Access Manager
affected:
  - oracle_access_manager 12.2.1.4.0
  - oracle_access_manager 14.1.2.0.0
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:23:48.882Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-83407'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.876Z'
---

## 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  14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle Access Manager accessible data as well as  unauthorized update, insert or delete access to some of Oracle Access Manager accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Access Manager. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).

## Affected

- `oracle_access_manager 12.2.1.4.0`
- `oracle_access_manager 14.1.2.0.0`

## Remediation

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