CVE-2026-83031: Critical severity Oracle Oracle WebCenter Sites vulnerability
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. While the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
Who is exposed to exploitation?
Oracle WebCenter Sites deployments running supported affected versions 12.2.1.4.0 or 14.1.2.0.0 are exposed if an attacker with low-privileged access can reach the product over HTTP.
What level of access does an attacker need?
The attacker needs network access via HTTP and low privileges. No user interaction is required, and the vulnerability is described as easily exploitable.
What is the potential impact of a successful attack?
A successful attack can result in takeover of Oracle WebCenter Sites, with high impact to confidentiality, integrity, and availability. The scope change indicates attacks may also significantly impact additional products.