Description
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/2 to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | Helidon | 4.0.0 – ≤ 4.4.1 | — |
Advisories 2
- WID-SEC-2026-2894 Oracle Fusion Middleware: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 9, 2026
- NCSC-2026-0306 Kwetsbaarheden verholpen in Oracle Fusion Middleware NCSC-NL (Netherlands) · Aug 19, 2026
References
- Oracle Advisory vendor-advisory