---
id: CVE-2026-70908
title: >-
  Vulnerability in the Helidon product of Oracle Fusion Middleware (component:
  Imperative Web Server)
summary: >-
  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…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
published: '2026-08-18'
updated: '2026-08-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-70908'
references:
  - url: 'https://www.oracle.com/security-alerts/cspuaug2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
epss: 0.0045
epssPercentile: 0.38502
ingestedAt: '2026-08-22T16:34:35.316Z'
---

## Overview

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).

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.