CVE-2026-61021: 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 can exploit this vulnerability?
An attacker needs network access to the affected Oracle WebCenter Sites instance over HTTP and low-level privileges. No user interaction is required.
Which deployments are known to be affected?
The affected supported versions are 12.2.1.4.0 and 14.1.2.0.0 of Oracle WebCenter Sites. The provided information does not state whether any particular default configuration is required.
What is the potential impact of a successful attack?
A successful attack can lead to takeover of Oracle WebCenter Sites, with high impact to confidentiality, integrity, and availability. The scope change indicates that attacks may also significantly affect additional products.