CVE-2026-83034: High severity Oracle Oracle WebCenter Sites vulnerability
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Oracle WebCenter Sites (Oracle Fusion Middleware) - WebCenter Sitesto a version that resolves this vulnerability.Fixed in 12.2.1.4.0 - Upgrade
Upgrade
Oracle WebCenter Sites (Oracle Fusion Middleware) - WebCenter Sitesto a version that resolves this vulnerability.Fixed in 14.1.2.0.0
Event History
Frequently Asked Questions
Which deployments are affected?
The affected supported versions are Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0.
Does exploitation require credentials or user interaction?
No. An unauthenticated attacker with network access over HTTP can exploit the vulnerability, and no user interaction is required.
What is the likely impact of a successful attack?
A successful attack can allow unauthorized access to critical data or complete access to all data accessible through Oracle WebCenter Sites. The reported impact is confidentiality only; integrity and availability impacts are not listed.