CVE-2026-91245
Analyzed Analyzed - Analysis Complete

Unauthenticated Access in Oracle WebCenter Portal

Publication date: 2026-10-20

Last updated on: 2026-11-04

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 unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Portal accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).

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Meta Information

Published
2026-10-20
Last Modified
2026-11-04
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
CVE-2026-91245
EUVD
EUVD-2026-106500

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-285 The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This is a vulnerability in Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. It allows an unauthenticated attacker to remotely access the system via HTTP. Exploitation requires the victim to interact with a malicious link or page. Successful attacks can lead to unauthorized access to sensitive data stored in 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 exposed instances of Oracle WebCenter Portal via HTTP/HTTPS. Use network scanning tools like Nmap to identify open ports (typically 80, 443, 7001, 8888) and verify if Oracle WebCenter Portal services are running. Example Nmap command: nmap -p 80,443,7001,8888 -sV <target_IP>. Check server banners or HTTP responses for Oracle WebCenter Portal versions.

Impact Analysis

If you use Oracle WebCenter Portal versions 12.2.1.4.0 or 14.1.2.0.0, an attacker could steal confidential data such as documents or user information. The attacker does not need credentials but requires you to click a malicious link. This could lead to data breaches or unauthorized system access.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Organizations using affected versions may face compliance violations, legal penalties, and reputational damage if data is exposed.

Mitigation Strategies

Apply the latest Oracle WebCenter Portal patches or updates as soon as possible to address the vulnerability. Restrict network access to Oracle WebCenter Portal via HTTP to trusted sources only. Monitor for unusual activity or unauthorized access attempts.

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