CVE-2026-73963: Critical severity Oracle Oracle WebCenter Portal vulnerability
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services). 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 Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
Affected supported versions are Oracle WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0, specifically the Portlet Services component.
Does exploitation require authentication or user interaction?
No. An unauthenticated attacker with network access over HTTP can exploit the issue, and no user interaction is required.
What level of access does an attacker need?
The attacker needs network access to the affected Oracle WebCenter Portal instance via HTTP. No prior privileges are required.
What could happen if exploitation succeeds?
Successful exploitation can result in takeover of Oracle WebCenter Portal, with high impacts to confidentiality, integrity, and availability.