CVE-2026-83043: Critical severity Oracle Oracle WebCenter Portal vulnerability
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
The affected supported versions are Oracle WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0, specifically the Composer component.
Does exploitation require authentication or local access?
No. An unauthenticated attacker can exploit the issue over the network via HTTP, but successful exploitation requires interaction by someone other than the attacker.
What is the potential impact of a successful attack?
A successful attack can result in takeover of Oracle WebCenter Portal, with high confidentiality, integrity, and availability impact. The scope may extend beyond WebCenter Portal and significantly affect additional products.