CVE-2026-73953
Received Received - Intake

Oracle WebCenter Portal Authentication Bypass Vulnerability

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: 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).

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Meta Information

Published
2026-09-15
Last Modified
2026-09-15
Generated
2026-09-15
AI Q&A
2026-09-15
EPSS Evaluated
N/A
NVD
CVE-2026-73953
EUVD
EUVD-2026-79307

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
oracle webcenter_portal 12.2.1.4.0
oracle webcenter_portal 14.1.2.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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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.

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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