CVE-2026-91542: 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
Who is exposed to this vulnerability?
Oracle WebCenter Sites deployments running supported affected versions 12.2.1.4.0 or 14.1.2.0.0 are exposed if an attacker can reach the product over HTTP through the network.
Does exploitation require authentication or user interaction?
No. The vulnerability is described as easily exploitable by an unauthenticated attacker with network access via HTTP, and it requires no user interaction.
What could an attacker obtain through successful exploitation?
Successful exploitation can provide unauthorized access to critical data or complete access to all data accessible through Oracle WebCenter Sites. The stated impact is confidentiality only; integrity and availability impacts are not listed.