CVE-2026-73951

High

Description

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. Difficult to exploit 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 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

SeverityHigh

CVSS8.1

Exploit probability—

Product

Oracle Webcenter Portal

PublishedSep 15, 2026

First seenSep 15, 2026

Weakness typeCWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/cspusep2026.html

Affected products

Product	Affected versions	Fixed in
oracle webcenter_portal	12.2.1.4.0, 14.1.2.0.0	—

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