---
id: CVE-2026-71133
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: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-287
  - CWE-306
vendor: oracle
product: access_manager
affected:
  - access_manager = 12.2.1.4.0
  - access_manager = 14.1.2.1.0
published: '2026-09-15'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T18:05:26.810'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-71133'
references:
  - url: 'https://www.oracle.com/security-alerts/cspusep2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
  - cve.org
epss: 0.00508
epssPercentile: 0.40832
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-16T00:00:00+00:00'
ingestedAt: '2026-09-15T20:44:02.404Z'
---

## 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 HTTP to compromise Oracle Access Manager.  While the vulnerability is in Oracle Access Manager, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

## Affected

- `access_manager = 12.2.1.4.0`
- `access_manager = 14.1.2.1.0`

## Remediation

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