CVE-2026-83402

Analyzed Analyzed - Analysis Complete

Oracle Identity Manager UI Takeover Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Oracle

Description

Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS to compromise Oracle Identity Manager. Successful attacks of this vulnerability can result in takeover of Oracle Identity Manager. 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

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Meta Information

Published

2026-10-20

Last Modified

2026-11-03

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-83402

EUVD

EUVD-2026-106320

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	identity_manager	12.2.1.4.0
oracle	identity_manager	14.1.2.1.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Identity Manager, specifically in the OIM Legacy UI component. It affects versions 12.2.1.4.0 and 14.1.2.1.0. The issue allows a low-privileged attacker with network access via HTTPS to potentially take over the entire Oracle Identity Manager system.

Impact Analysis

If exploited, this vulnerability could lead to a complete compromise of Oracle Identity Manager. This means an attacker could gain full control over the system, potentially accessing, modifying, or deleting sensitive data, disrupting services, or using the compromised system as a foothold for further attacks.

Compliance Impact

This vulnerability allows unauthorized takeover of Oracle Identity Manager, which could lead to unauthorized access to sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (healthcare data privacy) by enabling data breaches or unauthorized disclosures.

Mitigation Strategies

Apply the latest Oracle Identity Manager patches or updates provided by Oracle to address the vulnerability in the OIM Legacy UI component.

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EPSS Chart

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