CVE-2026-73949: High severity Oracle Oracle WebCenter Portal vulnerability

Q: Which deployments are affected?

Affected supported versions are Oracle WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0, specifically the Portlet Services component.

Q: What access does an attacker need?

An attacker needs network access to the target over HTTP and only low-level privileges. No user interaction is required.

Q: What could successful exploitation allow?

Successful exploitation can result in takeover of Oracle WebCenter Portal, with high impacts to confidentiality, integrity, and availability.

Published Sep 15, 2026

Updated

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Affected Software

3 affected components

Oracle Oracle WebCenter Portal>=12.2.1.4.0<=14.1.2.0.0

Oracle WebCenter Portal=12.2.1.4.0

Oracle WebCenter Portal=14.1.2.0.0

Event History

Sep 15, 2026

CVE Published

via MITRE·08:02 PM

Data Sourced

via MITRE·08:02 PM

DescriptionSeverity

Data Sourced

via NVD·08:17 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

Which deployments are affected?

Affected supported versions are Oracle WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0, specifically the Portlet Services component.

What access does an attacker need?

An attacker needs network access to the target over HTTP and only low-level privileges. No user interaction is required.

What could successful exploitation allow?