---
id: CVE-2026-83043
title: >-
  Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion
  Middleware (component: Composer)
summary: >-
  Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion
  Middleware (component: Composer).  Supported versions that are affected are
  12.2.1.4.0 and  14.1.2.0.0. Easily exploitable vulnerability allows
  unauthenticated attacke…
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cwe:
  - CWE-284
vendor: oracle
product: webcenter_portal
affected:
  - webcenter_portal = 12.2.1.4.0
  - webcenter_portal = 14.1.2.0.0
published: '2026-09-15'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T18:07:38.477'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83043'
references:
  - url: 'https://www.oracle.com/security-alerts/cspusep2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
  - cve.org
epss: 0.00416
epssPercentile: 0.33123
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-16T15:43:40.421659Z'
ingestedAt: '2026-09-15T20:44:02.436Z'
---

## Overview

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer).  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 WebCenter Portal.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).

## Affected

- `webcenter_portal = 12.2.1.4.0`
- `webcenter_portal = 14.1.2.0.0`

## Remediation

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