CVE-2026-73878: Infoleak
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Easily exploitable 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 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Affected Software
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Deployments using the affected supported Helidon Imperative Web Server version 3.2.18 are exposed if they are reachable by an attacker over HTTP. No authentication or user interaction is required.
What could an attacker gain from successful exploitation?
Successful exploitation can provide unauthorized access to critical data or complete access to all data accessible through Helidon. The stated impact is confidentiality only; integrity and availability impacts are not identified.
How difficult is exploitation according to the published assessment?
The vulnerability is rated low attack complexity and can be exploited remotely over the network via HTTP. An attacker does not need prior privileges.