CVE-2026-83189

Privilege Escalation via Proxy User Delegation in Oracle User Management

Published Sep 15, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Vulnerability in the Oracle User Management product of Oracle E-Business Suite (component: Proxy User Delegation). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle User Management. Successful attacks of this vulnerability can result in takeover of Oracle User Management. 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
Title Privilege Escalation via Proxy User Delegation in Oracle User Management
Type Values Removed Values Added
Title Privilege Escalation via Proxy User Delegation in Oracle User Management
Weaknesses CWE-284
CWE-287
Type Values Removed Values Added
Weaknesses CWE-269
Metrics ssvc

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

Type Values Removed Values Added
Title Privilege Escalation via Proxy User Delegation in Oracle User Management
Weaknesses CWE-284
CWE-287
Type Values Removed Values Added
Description Vulnerability in the Oracle User Management product of Oracle E-Business Suite (component: Proxy User Delegation). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle User Management. Successful attacks of this vulnerability can result in takeover of Oracle User Management. 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 user Management
CPEs cpe:2.3:a:oracle:user_management:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle user Management
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
Sep 17, 2026, 1:10 PM
Reserved
Aug 31, 2026, 3:40 PM
Status
Deferred
Published
Sep 15, 2026, 8:18 PM
Modified
Sep 17, 2026, 2:17 PM