CVE-2026-83040

Published: Sep 15, 2026Updated: Sep 23, 2026 Sources: CVE List NVDCWE-284

9.6CRITICAL

NVD MITRE

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. Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP 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).

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-284

Affected Products

Oracle Corporation

commercial·USaka oracle, oracle corp.

Oracle WebCenter PortalOn-premWeb App

Enterprise Software / collaboration-groupware

webcenter portalOn-premWeb App

Databases / data-warehouse-analytics

Exploitability

Official Patch Available

Is your org exposed to CVE-2026-83040?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

References

https://www.oracle.com/security-alerts/cspusep2026.html

oracle.com

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