CVE-2026-73914: Medium severity Oracle Helidon vulnerability
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 6.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).
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 exploit it. No privileges or user interaction are required.
Which deployments are known to be affected?
The affected supported version identified is Oracle Helidon 4.5.0, specifically the Imperative Web Server component. Exposure depends on whether an attacker can reach the server through HTTP.
What is the potential impact of successful exploitation?
Successful attacks can allow unauthorized reading of a subset of data accessible to Helidon and can cause a partial denial of service. The vulnerability does not list an integrity impact.