CVE-2026-83037

Analyzed Analyzed - Analysis Complete

Oracle WebCenter Sites Remote Code Execution Vulnerability

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 unauthenticated 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 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/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

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83037

EUVD

EUVD-2026-79365

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-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This is a critical vulnerability in Oracle WebCenter Sites, a web content management product. It allows an unauthenticated attacker to remotely access and take over the system via HTTP without any user interaction. The flaw has a maximum severity score of 9.8 due to its impact on confidentiality, integrity, and availability.

Detection Guidance

This vulnerability affects Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0. Detection involves checking for vulnerable versions and exposed HTTP interfaces. Inspect server logs for unusual activity and verify if the WebCenter Sites component is accessible without authentication.

Impact Analysis

If you use Oracle WebCenter Sites versions 12.2.1.4.0 or 14.1.2.0.0, an attacker could exploit this to fully compromise your system. This could lead to data theft, unauthorized modifications, or complete system takeover, disrupting operations and exposing sensitive information.

Compliance Impact

This vulnerability could severely impact compliance with GDPR, HIPAA, and other regulations. A successful attack may result in unauthorized access to personal or sensitive data, leading to legal penalties, reputational damage, and loss of trust due to breaches of confidentiality and integrity requirements.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for Oracle WebCenter Sites immediately. Ensure the product is updated to a version not affected by this vulnerability (12.2.1.4.0 or 14.1.2.0.0). Restrict network access to HTTP ports used by Oracle WebCenter Sites via firewalls or network segmentation.

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