CVE-2026-83035: Critical severity Oracle Oracle WebCenter Sites vulnerability

Published Sep 15, 2026

Updated

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). 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 Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. 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 Oracle WebCenter Sites=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·08:03 PM

Data Sourced

via MITRE·08:03 PM

DescriptionSeverity

Data Sourced

via NVD·08:18 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

Which deployments are affected?

Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0 are listed as affected.

Does exploitation require an account or user interaction?

No. An unauthenticated attacker can exploit the issue remotely over HTTP, with no user interaction required.

What could a successful attack allow?

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