CVE-2026-61040: High severity Oracle Oracle WebCenter Sites vulnerability

Q: Who can exploit this vulnerability?

An attacker needs network access to the affected Oracle WebCenter Sites instance over HTTP and must have low-level privileges. No user interaction is required.

Q: Which deployments are affected?

The affected supported versions are Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0.

Q: What is the potential impact of successful exploitation?

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

Published Aug 18, 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 low privileged 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 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 Sites>=12.2.1.4.0<=12.2.1.4.0, >=14.1.2.0.0<=14.1.2.0.0

Oracle WebCenter Sites=12.2.1.4.0

Oracle WebCenter Sites=14.1.2.0.0

Event History

Aug 18, 2026

CVE Published

via MITRE·08:59 PM

Data Sourced

via MITRE·08:59 PM

DescriptionSeverity

Data Sourced

via NVD·09:16 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

Who can exploit this vulnerability?

An attacker needs network access to the affected Oracle WebCenter Sites instance over HTTP and must have low-level privileges. No user interaction is required.

Which deployments are affected?

The affected supported versions are Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0.

What is the potential impact of successful exploitation?