CVE-2026-91552: Infoleak
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 access to critical data or complete access to all Oracle WebCenter Sites accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Affected Software
Event History
Frequently Asked Questions
Which deployments are exposed?
Oracle WebCenter Sites deployments running supported affected versions 12.2.1.4.0 or 14.1.2.0.0 are exposed when they are reachable over HTTP from an attacker with network access.
Does exploitation require an account or user interaction?
No. The vulnerability is described as easily exploitable by an unauthenticated attacker, with no privileges or user interaction required.
What could an attacker obtain?
Successful exploitation can provide unauthorized access to critical data or complete access to all data accessible through the affected Oracle WebCenter Sites instance.