---
id: CVE-2026-71029
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).  Supported versions that are affected are
  3.0.0-3.2.17. Difficult to exploit vulnerability allows unauthenticated
  attacker with network …
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-284
vendor: oracle
product: helidon
affected:
  - 'helidon >= 3.0.0, <= 3.2.17'
published: '2026-08-18'
updated: '2026-08-31'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-71029'
references:
  - url: 'https://www.oracle.com/security-alerts/cspuaug2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
epss: 0.00261
epssPercentile: 0.18082
ingestedAt: '2026-08-31T13:08:33.398Z'
---

## Overview

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).  Supported versions that are affected are 3.0.0-3.2.17. Difficult to exploit 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. CVSS 3.1 Base Score 6.8 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N).

## Affected

- `helidon >= 3.0.0, <= 3.2.17`

## Remediation

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