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    CVE-2026-83189

    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).

    Published:Sep 15, 2026
    Last Modified:Sep 20, 2026
    EPS:Sep 15, 2026
    EPSS Score:0.00389
    CVSS Score:8.8

    Affected Products

    Vendor
    Oracle
    Product
    User Management

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

    Related CVEs

    CVE-2026-83119 (CVSS 8.8) — Vulnerability in the Oracle User Management product of Oracle E-Business Suite (component: Internal Operations…
    CVE-2026-22014 (CVSS 3.8) — Vulnerability in the Oracle User Management product of Oracle E-Business Suite (component: Workflow and Busine…
    CVE-2025-30708 (CVSS 7.5) — Vulnerability in the Oracle User Management product of Oracle E-Business Suite (component: Search and Register…
    CVE-2023-21997 (CVSS 4.3) — Vulnerability in the Oracle User Management product of Oracle E-Business Suite (component: Proxy User Delegati…
    CVE-2022-21500 (CVSS 7.5) — Vulnerability in Oracle E-Business Suite (component: Manage Proxies). The supported version that is affected i…
    CVE-2021-2017 (CVSS 4.3) — Vulnerability in the Oracle User Management product of Oracle E-Business Suite (component: Proxy User Delegati…
    CVE-2018-3236 (CVSS 6.5) — Vulnerability in the Oracle User Management component of Oracle E-Business Suite (subcomponent: Reports). Supp…
    CVE-2018-2691 (CVSS 5.4) — Vulnerability in the Oracle User Management component of Oracle E-Business Suite (subcomponent: Proxy User Del…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High