CVE-2026-91495: Critical severity Oracle WebCenter Content vulnerability

Published Oct 20, 2026

Updated

Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server). 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 Content. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Content. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected Software

3 affected components

Oracle WebCenter Content=12.2.1.4.0, =14.1.2.0.0

Oracle WebCenter Content=12.2.1.4.0

Oracle WebCenter Content=14.1.2.0.0

Event History

Oct 20, 2026

CVE Published

via MITRE·09:26 PM

Data Sourced

via MITRE·09:26 PM

DescriptionSeverity

Data Sourced

via NVD·10:20 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

Which deployments are exposed to this issue?

Oracle WebCenter Content Content Server deployments running supported affected versions 12.2.1.4.0 or 14.1.2.0.0 are exposed if an attacker can reach them over HTTP.

Does an attacker need an account or user interaction to exploit it?

No. The vulnerability is described as easily exploitable by an unauthenticated attacker with network access via HTTP, with no user interaction required.

What is the potential impact of successful exploitation?

Successful exploitation can result in takeover of Oracle WebCenter Content, with high confidentiality, integrity, and availability impact.