CVE-2026-83409: High severity Oracle Access Manager vulnerability
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).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
Oracle Access Manager Authentication Engine deployments running supported versions 12.2.1.4.0 or 14.1.2.0.0 are identified as affected. The attack path is via SAML.
Does an attacker need credentials or user interaction?
No. The vulnerability can be exploited by an unauthenticated attacker with network access via SAML, and no user interaction is required.
What level of access could exploitation provide?
Successful exploitation can result in takeover of Oracle Access Manager. The listed impacts include high confidentiality, integrity, and availability impact.
How difficult is exploitation?
The vulnerability is described as difficult to exploit and has a high attack-complexity rating. However, it is network-reachable and does not require privileges or user interaction.