---
id: CVE-2026-71065
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: critical
cvss: 9.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N'
cwe:
  - CWE-284
published: '2026-08-18'
updated: '2026-08-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-71065'
references:
  - url: 'https://www.oracle.com/security-alerts/cspuaug2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
epss: 0.00262
epssPercentile: 0.18235
ingestedAt: '2026-08-22T21:37:49.745Z'
---

## 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.  While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Helidon accessible data as well as  unauthorized update, insert or delete access to some of Helidon accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).

## Remediation

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