CVE-2026-83033

Analyzed Analyzed - Analysis Complete

Oracle WebCenter Sites Remote Code Execution

Publication date: 2026-09-15

Last updated on: 2026-09-23

Assigner: Oracle

Description

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 low privileged attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. 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

2026-09-23

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-05

NVD

CVE-2026-83033

EUVD

EUVD-2026-79361

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 Sites, a product under 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 to take over the system via HTTP requests. The vulnerability has a CVSS score of 8.8, indicating high impact on confidentiality, integrity, and availability.

Detection Guidance

Detection of CVE-2026-83033 requires checking for vulnerable versions of Oracle WebCenter Sites (12.2.1.4.0 or 14.1.2.0.0). Inspect installed software versions and configurations. No specific commands are provided in the context.

Impact Analysis

If exploited, an attacker could gain full control of the Oracle WebCenter Sites system. This could lead to unauthorized access to sensitive data, modification or deletion of critical information, and disruption of services. The impact is severe due to the high CVSS score and ease of exploitation.

Compliance Impact

This vulnerability could lead to breaches of GDPR or HIPAA by exposing personal or health data. Unauthorized access or data modification could result in non-compliance, legal penalties, and reputational damage. Organizations using affected versions must address this to maintain regulatory compliance.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for Oracle WebCenter Sites as soon as possible to address the vulnerability. Ensure network access controls restrict HTTP access to only trusted sources. Monitor for unusual activity in Oracle WebCenter Sites logs.

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