CVE-2026-73947

Analyzed Analyzed - Analysis Complete

Authentication Bypass in Oracle Access Manager

Publication date: 2026-09-15

Last updated on: 2026-09-21

Assigner: Oracle

Description

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). 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 Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. 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

2026-09-21

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-05

NVD

CVE-2026-73947

EUVD

EUVD-2026-79301

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	access_manager	12.2.1.4.0
oracle	access_manager	14.1.2.1.0

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 Access Manager, an authentication product. It allows unauthenticated attackers to remotely take over the system via HTTP network access. The flaw exists in the Authentication Engine component and affects versions 12.2.1.4.0 and 14.1.2.0.0.

Impact Analysis

An attacker could completely compromise Oracle Access Manager, leading to unauthorized access, data theft, or system takeover. This could expose sensitive user credentials, application data, and allow further network infiltration.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection and access control. Organizations using affected versions may face compliance violations and regulatory penalties.

Mitigation Strategies

Apply the latest Oracle Access Manager patches immediately as they become available. Restrict network access to Oracle Access Manager components via firewalls or network segmentation. Monitor for unusual authentication attempts or unauthorized access patterns.

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