---
title: "CVE-2026-83043: Oracle WebCenter Portal - Authentication Bypass"
description: "Oracle WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0 contains an authentication bypass caused by unauthenticated network access via HTTP, letting attackers take over the portal, exploit requires user interaction from a third party."
url: https://panop.io/threat-heartbeat/CVE-2026-83043/
---

# CVE-2026-83043 Oracle WebCenter Portal - Authentication Bypass

Oracle WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0 contains an authentication bypass caused by unauthenticated network access via HTTP, letting attackers take over the portal, exploit requires user interaction from a third party.

CVSS base score 9.6 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.42% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-83043)

## Details

Type

Authentication Bypass

Impact

Remote Code Execution, Information Disclosure, Data Tampering, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Published

15 September 2026

Updated

15 October 2026

Weakness

[CWE-284](https://cwe.mitre.org/data/definitions/284.html)

## Vendor fix

Update to the latest available version beyond 12.2.1.4.0 and 14.1.2.0.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-83043](https://nvd.nist.gov/vuln/detail/CVE-2026-83043)
- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)