CVE-2026-71153

HighCVSS 7.5

Published: 18/08/2026(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

Vulnerability in Oracle Fusion Middleware Helidon product (component: Imperative Web Server) version 1.4.20. Easily exploitable by unauthenticated attacker via HTTP. Successful attacks can result in hang or frequently repeatable crash (complete DoS) of Helidon. CVSS 7.5.

Risk Assessment

Risk of complete unavailability of Helidon service, potentially disrupting applications.

Recommendation

Apply patches for version 1.4.20 and consider restricting network access to the HTTP service.

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 1.4.20. 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).