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    CVE-2026-83409

    Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via SAML to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

    Published:Oct 20, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 20, 2026
    EPSS Score:0.00377
    CVSS Score:8.1

    Affected Products

    Vendor
    Oracle
    Product
    Access Manager

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

    CVE-2026-87337 (CVSS 10) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-87296 (CVSS 7.5) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-87251 (CVSS 9.8) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-83426 (CVSS 8.7) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-83407 (CVSS 8.6) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-83369 (CVSS 3.1) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Access SDK). Suppo…
    CVE-2026-83002 (CVSS 8.5) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-83001 (CVSS 9.1) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-73962 (CVSS 9.6) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…
    CVE-2026-73958 (CVSS 8.1) — Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi…

    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