Oracle WebCenter Sites: data tampering via WebCenter Sites

High8.2CVE-2026-61011 · Published Aug 18, 2026 · updated Aug 20, 2026

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 unauthorized creation, deletion or modification access to critical data or all Oracle WebCenter Sites accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebCenter Sites. CVSS 3.1 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L).