CVE-2026-70908

HighCVSS 7.5

Published: 18/08/2026(UTC)Updated: 20/08/2026(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 Helidon (component: Imperative Web Server) version 3.2.18. An unauthenticated attacker with network access via HTTP can cause a hang or frequently repeatable crash (complete DoS) of Helidon.

Risk Assessment

The risk is complete unavailability of services provided by Helidon, potentially disrupting applications relying on this server.

Recommendation

Update Helidon to a patched version and monitor HTTP traffic for suspicious patterns.

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 3.2.18. 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).