CVE-2026-83042: Critical severity Oracle Oracle Identity Manager vulnerability

Published Sep 15, 2026

Updated

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 unauthenticated attacker with network access via HTTP to compromise Oracle Identity Manager. Successful attacks of this vulnerability can result in takeover of Oracle Identity 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).

Affected Software

3 affected components

Oracle Oracle Identity Manager=12.2.1.4.0, =14.1.2.1.0

Oracle Identity Manager=12.2.1.4.0

Oracle Identity Manager=14.1.2.1.0

Event History

Sep 15, 2026

CVE Published

via MITRE·08:03 PM

Data Sourced

via MITRE·08:03 PM

DescriptionSeverity

Data Sourced

via NVD·08:18 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

Who can exploit this vulnerability?

An unauthenticated attacker with network access to Oracle Identity Manager over HTTP can exploit it. No privileges or user interaction are required.

Which Oracle Identity Manager versions are affected?

The affected supported versions are 12.2.1.4.0 and 14.1.2.1.0, specifically in the OIM Legacy UI component.

What is the potential impact of successful exploitation?

Successful exploitation can allow takeover of Oracle Identity Manager, with high impact to confidentiality, integrity, and availability.