CVE-2026-83053

Received Received - Intake

Oracle WebCenter Portal Remote Code Execution

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools). 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).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-05

NVD

CVE-2026-83053

EUVD

EUVD-2026-79381

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	webcenter_portal	12.2.1.4.0
oracle	webcenter_portal	14.1.2.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle WebCenter Portal, a component of Oracle Fusion Middleware. It affects versions 12.2.1.4.0 and 14.1.2.0.0. The issue allows a low-privileged attacker with network access via HTTP to take over the portal. The vulnerability has a high CVSS score of 8.8 due to its impact on confidentiality, integrity, and availability.

Detection Guidance

Detection of CVE-2026-83053 requires checking for vulnerable versions of Oracle WebCenter Portal (12.2.1.4.0 or 14.1.2.0.0). Inspect installed Oracle WebCenter Portal components via system logs or Oracle Fusion Middleware Control. Look for unusual HTTP traffic patterns or unauthorized access attempts targeting the WebCenter Portal component.

Impact Analysis

If you use Oracle WebCenter Portal versions 12.2.1.4.0 or 14.1.2.0.0, an attacker could exploit this to gain full control of the portal. This could lead to unauthorized access to sensitive data, modification of portal content, or disruption of services.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations using affected versions may face compliance risks and potential penalties.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for Oracle Fusion Middleware, specifically for Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. Restrict network access to HTTP ports and limit privileges for users to reduce attack surface.

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