CVE-2026-73909: 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 3.0.0-3.2.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP 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 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).
Affected Software
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An unauthenticated attacker with network access to the affected Helidon Imperative Web Server over HTTP can attempt exploitation. No privileges or user interaction are required, but exploitation is described as difficult.
What is the impact of a successful attack?
A successful attack can expose critical data or provide access to all data accessible to Helidon. The stated impact is confidentiality only; integrity and availability impacts are not identified.
Which version is identified as affected?
The affected supported version identified is Helidon 3.2.19.