CVE-2026-71133

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 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. While the vulnerability is in Oracle Access Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-09-21

Generated

2026-10-06

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-71133

EUVD

EUVD-2026-79516

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, a product under Oracle Fusion Middleware. It affects versions 12.2.1.4.0 and 14.1.2.1.0. The flaw allows an unauthenticated attacker to remotely exploit the system via HTTP, potentially leading to a complete takeover of Oracle Access Manager.

Detection Guidance

This vulnerability is in Oracle Access Manager and requires network-level detection. Monitor HTTP traffic for unusual authentication requests or patterns targeting Oracle Access Manager endpoints. Check Oracle's security advisories for patches or signatures. No specific commands are provided in the available context.

Impact Analysis

An attacker could gain full control over Oracle Access Manager, which may lead to unauthorized access to sensitive data, disruption of services, or further compromise of connected systems. The high CVSS score indicates severe potential impact on confidentiality, integrity, and availability.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected versions must address this to maintain regulatory compliance and protect sensitive data.

Mitigation Strategies

Apply the latest security patches from Oracle for Oracle Access Manager versions 12.2.1.4.0 and 14.1.2.1.0. Disable unnecessary network access to the Oracle Access Manager component and restrict HTTP access to trusted sources only.

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