CVE-2026-71029: 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). 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 6.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
The affected supported version is Helidon 3.2.18, specifically the Imperative Web Server component of Oracle Fusion Middleware.
Does exploitation require authentication or user interaction?
No. An unauthenticated attacker with network access via HTTP can attempt exploitation, and no user interaction is required. Exploitation is rated difficult because attack complexity is high.
What is the likely impact if exploitation succeeds?
Successful exploitation can provide unauthorized access to critical data or complete access to data accessible through Helidon. The vulnerability may also significantly affect additional products because its scope can change.