CVE-2026-83189
High
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).
SeverityHigh
CVSS8.8
Exploit probability—
ProductOracle User Management
PublishedSep 15, 2026
First seenSep 15, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Oracle Corporation Oracle User Management | 12.2.3 ≤ v ≤ 12.2.15 | — |
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