CVE-2026-71157: Medium severity Oracle Helidon (Imperative Web Server) vulnerability
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17 and 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. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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 exploit it. No user interaction or prior privileges are required.
What is the impact of a successful attack?
Successful exploitation can provide unauthorized read access to a subset of data accessible through Helidon. The stated impact is limited to confidentiality; no integrity or availability impact is specified.
Which deployments are identified as affected?
The affected supported version identified is Helidon Imperative Web Server 4.5.0. The provided information does not state whether any particular default configuration or exposure condition beyond HTTP network access is required.