CVE-2026-83409
High
Description
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).
SeverityHigh
CVSS8.1
Exploit probability—
ProductOracle Access Manager
PublishedOct 20, 2026
First seenOct 20, 2026
Weakness typeCWE-287Improper authentication
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Oracle Corporation Oracle Access Manager | 12.2.1.4.0, 14.1.2.0.0 | — |
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