CVE-2026-73913: Medium severity Oracle Helidon (Oracle Fusion Middleware) 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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Oracle Fusion Middleware Helidon (Imperative Web Server)to a version that resolves this vulnerability.Fixed in 4.4.1
Event History
Frequently Asked Questions
Who is realistically exposed to exploitation?
Helidon deployments using the Imperative Web Server component on supported version 4.5.0 are exposed if a low-privileged attacker can reach the service over HTTP.
What level of access does an attacker need?
The attacker needs network access via HTTP and low privileges. No user interaction is required, and exploitation is rated as low complexity.
What could a successful attack allow?
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.