CVE-2026-73949

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 low privileged 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 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

2026-09-22

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-73949

EUVD

EUVD-2026-79303

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 Portal, a middleware product. It allows a low-privileged attacker with network access to take over the system by exploiting the Portlet Services component. The attack is possible via HTTP and does not require user interaction.

Impact Analysis

An attacker could gain full control of the Oracle WebCenter Portal, leading to unauthorized access, data theft, or system manipulation. This could disrupt services, compromise sensitive information, or allow further attacks within the network.

Compliance Impact

This vulnerability could lead to breaches of confidentiality and integrity, violating GDPR and HIPAA requirements for data protection. Organizations using affected versions may face compliance violations, legal penalties, and reputational damage.

Mitigation Strategies

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

Hi! I’m here to help you understand CVE-2026-73949. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70