CVE-2026-73959: High 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 low privileged 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 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Oracle WebCenter Portal (Oracle Fusion Middleware) - Composerto a version that resolves this vulnerability.Fixed in 12.2.1.4.0 - Upgrade
Upgrade
Oracle WebCenter Portal (Oracle Fusion Middleware) - Composerto a version that resolves this vulnerability.Fixed in 14.1.2.0.0
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker needs a low-privileged account and network access to the affected Oracle WebCenter Portal instance over HTTP. No user interaction is required.
Which deployments are known to be affected?
The affected component is Composer in Oracle WebCenter Portal. Supported affected versions are 12.2.1.4.0 and 14.1.2.0.0.
What is the potential impact of successful exploitation?
Successful exploitation can result in takeover of Oracle WebCenter Portal, with high impact to confidentiality, integrity, and availability.