CVE-2026-70716: 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).
Affected Software
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 could exploit it. No prior privileges or user interaction are required, but exploitation is described as difficult.
What is the potential impact of a successful attack?
A successful attack can allow unauthorized creation, deletion, or modification of critical data or all data accessible to Helidon. The stated impact is integrity-only; no confidentiality or availability impact is listed.
Which deployment should be prioritized for remediation?
Deployments using the supported Helidon Imperative Web Server version 4.5.0 should be prioritized, particularly where the HTTP service is reachable by untrusted networks. The provided information does not state whether other versions are affected.