CVE-2026-73880: Medium severity Oracle Helidon (Oracle Fusion Middleware - Imperative Web Server) vulnerability
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.5.0. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Helidon executes to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 4.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).
Affected Software
Event History
Frequently Asked Questions
Who is realistically exposed to this vulnerability?
The issue affects supported Oracle Helidon version 4.5.1 in the Imperative Web Server component. Exploitation requires access to the infrastructure where Helidon is running and high privileges on that infrastructure.
What level of access does an attacker need to exploit it?
An attacker must be locally positioned on the Helidon host or infrastructure and already have high privileges with logon access. No user interaction is required.
What is the likely impact of successful exploitation?
Successful exploitation can allow unauthorized access to critical data, potentially including all data accessible to Helidon. The stated impact is confidentiality only; integrity and availability impacts are not identified.