CVE-2026-101499: Critical severity Oracle WebCenter Sites vulnerability

Published Oct 20, 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 WebCenter Sites=12.2.1.4.0, =14.1.2.0.0

Oracle WebCenter Sites=12.2.1.4.0

Oracle WebCenter Sites=14.1.2.0.0

Event History

Oct 20, 2026

CVE Published

via MITRE·09:21 PM

Data Sourced

via MITRE·09:21 PM

DescriptionSeverity

Data Sourced

via NVD·10:17 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

Which deployments are affected?

Affected supported versions are Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0.

Does an attacker need credentials or user interaction?

No. The vulnerability is exploitable by an unauthenticated attacker with network access via HTTP, and it requires no user interaction.

What is the likely impact of successful exploitation?

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