CVE-2026-73920
CriticalCVSS 9.4Summary
A vulnerability in Oracle Fusion Middleware's Helidon product (Imperative Web Server component) version 4.5.0 allows an unauthenticated attacker to compromise Helidon via HTTP, resulting in unauthorized data modification, full access to all Helidon data, and partial denial of service.
Risk Assessment
An attacker could gain full access to Helidon data, modify it, and cause partial service unavailability, potentially disrupting organizational operations.
Recommendation
Immediately upgrade Helidon to a patched version. Also restrict access to the service and monitor HTTP traffic.
Original NVD description (English source)
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.0. Easily exploitable 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 as well as unauthorized access to critical data or complete access to all Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 9.4 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L).