CVE-2026-71065: Critical severity Oracle Oracle Fusion Middleware 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. Easily exploitable 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 as well as unauthorized update, insert or delete access to some of Helidon accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Helidon (Oracle Fusion Middleware) - Imperative Web Serverto a version that resolves this vulnerability.Fixed in 3.0.0-3.2.17
Event History
Frequently Asked Questions
Who is exposed to exploitation?
Helidon Imperative Web Server deployments running the affected supported version, 3.2.18, are exposed if an attacker can reach them over HTTP. No authentication or user interaction is required.
What access does an attacker need?
An unauthenticated attacker needs network access via HTTP. The vulnerability is rated low complexity and can be exploited remotely.
What could a successful attack allow?
A successful attack can provide unauthorized access to critical data or complete access to all data accessible to Helidon. It can also allow unauthorized update, insertion, or deletion of some Helidon-accessible data, and may significantly affect additional products due to scope change.