---
id: CVE-2026-71152
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 4.5.0.
  Easily exploitable vulnerability allows unauthenticated attacker with network
  access …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-284
published: '2026-08-18'
updated: '2026-08-21'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-71152'
references:
  - url: 'https://www.oracle.com/security-alerts/cspuaug2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
epss: 0.00508
epssPercentile: 0.40832
ingestedAt: '2026-08-22T21:37:49.820Z'
---

## Overview

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).   The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

## Remediation

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