CVE-2026-73953

Analyzed Analyzed - Analysis Complete

Oracle WebCenter Portal Authentication Bypass Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-22

Assigner: Oracle

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 HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. 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

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Meta Information

Published

2026-09-15

Last Modified

2026-09-22

Generated

2026-10-06

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-73953

EUVD

EUVD-2026-79307

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 Portal versions 12.2.1.4.0 and 14.1.2.0.0 that allows an unauthenticated attacker to remotely compromise the system via HTTP. Successful exploitation could lead to complete takeover of the Oracle WebCenter Portal.

Detection Guidance

This vulnerability affects Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. Detection involves checking for the presence of these versions and verifying if the system is exposed to HTTP network access. No specific commands are provided in the context.

Impact Analysis

An attacker could gain full control over your Oracle WebCenter Portal, potentially accessing, modifying, or deleting sensitive data, disrupting services, or using the compromised system to launch further attacks.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face legal penalties, reputational damage, and loss of compliance certifications.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for Oracle WebCenter Portal immediately. Disable HTTP access if possible and restrict network access to trusted sources only. Monitor Oracle's security advisories for patches and updates.

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