CVE-2026-73936

HighCVSS 7.5

Published: 18/08/2026(UTC)Updated: 19/08/2026(UTC)Translated: 19/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.44%

37th percentile - higher than 37% of all known CVEs

Summary

Helidon version 4.5.1 (component: Imperative Web Server) has an easily exploitable vulnerability allowing an unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks can cause a hang or frequently repeatable crash (complete DoS) of Helidon. CVSS 7.5.

Risk Assessment

An attacker can cause service unavailability, potentially leading to disruption of applications based on Helidon.

Recommendation

Apply vendor-provided patches or upgrade Helidon to a fixed version.

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 4.5.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP 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).