CVE-2026-71161: 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. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
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 can exploit this issue?
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.
Which deployment is known to be affected?
The affected supported version identified is Oracle Helidon Imperative Web Server 3.2.18.
What is the expected impact of successful exploitation?
Successful exploitation can allow an attacker to cause a partial denial of service affecting Helidon availability. The provided CVSS vector indicates no confidentiality or integrity impact.