CVE-2026-73881: Medium severity Oracle Helidon (Oracle Fusion Middleware) - Imperative Web Server vulnerability
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 low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
Affected Software
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
An attacker needs network access to the affected Helidon Imperative Web Server over HTTP and low-privileged credentials. No user interaction is required.
Which deployments are identified as affected?
The affected supported version identified is Helidon Imperative Web Server 4.5.0 in Oracle Fusion Middleware.
What could a successful attacker do?
A successful attack can provide unauthorized read access to a subset of Helidon-accessible data and unauthorized update, insert, or delete access to some Helidon-accessible data. The vulnerability has confidentiality and integrity impact, with no availability impact stated.