CVE-2026-83001

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 high privileged 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 9.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

CVSS 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

2026-10-04

NVD

CVE-2026-83001

EUVD

EUVD-2026-79329

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-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Access Manager, a middleware product. It allows a high-privileged attacker with network access to take over the system. The flaw exists in the Authentication Engine component and affects versions 12.2.1.4.0 and 14.1.2.1.0.

Detection Guidance

This vulnerability affects Oracle Access Manager versions 12.2.1.4.0 and 14.1.2.1.0. Detection requires checking installed versions and monitoring for unusual authentication activity. No specific commands are provided in the context.

Impact Analysis

An attacker could gain full control of Oracle Access Manager, leading to potential compromise of additional connected systems. This could result in unauthorized access, data breaches, or disruption of services.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate GDPR, HIPAA, or other regulations. Compliance could be impacted due to potential exposure of sensitive data.

Mitigation Strategies

Apply the latest Oracle Access Manager patches or updates as soon as possible to address the vulnerability. Ensure the product is updated to a version not affected by this issue (12.2.1.4.0 or 14.1.2.1.0).

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