Helidon 4.5.0 UnAuth Access to Imperative WS via HTTP
CVE-2026-73889 Published on August 18, 2026
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 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).
Vulnerability Analysis
CVE-2026-73889 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-73889 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-73889
stack.watch emails you whenever new vulnerabilities are published in Oracle Helidon or Oracle. Just hit a watch button to start following.
Affected Versions
Oracle Corporation Helidon:- Version 4.0.0, <= 4.4.1 is affected.