CVE-2026-83403

Oracle Identity Manager Legacy UI Allows Full Takeover via HTTP

Published Oct 20, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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 HTTP 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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Oracle Identity Manager Legacy UI Allows Full Takeover via HTTP
Type Values Removed Values Added
Title Remote Code Execution in Oracle Identity Manager Legacy UI via HTTP
Weaknesses CWE-20
CWE-94
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Oracle Corporation
Oracle Corporation oracle Identity Manager
Vendors & Products Oracle Corporation
Oracle Corporation oracle Identity Manager
Type Values Removed Values Added
Title Remote Code Execution in Oracle Identity Manager Legacy UI via HTTP
Weaknesses CWE-20
CWE-94
Type Values Removed Values Added
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 HTTP 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).
First Time appeared Oracle
Oracle identity Manager
CPEs cpe:2.3:a:oracle:identity_manager:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:identity_manager:14.1.2.1.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle identity Manager
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 27, 2026, 6:41 PM
Reserved
Aug 31, 2026, 3:40 PM
Status
Analyzed
Published
Oct 20, 2026, 10:19 PM
Modified
Nov 3, 2026, 4:35 PM