---
id: CVE-2026-83231
title: >-
  Vulnerability in the Helidon product of Oracle Fusion Middleware (component:
  helidon-dbclient-mongodb)
summary: >-
  Vulnerability in the Helidon product of Oracle Fusion Middleware (component:
  helidon-dbclient-mongodb).  Supported versions that are affected are
  3.0.0-3.2.20 and 4.0.0-4.5.4. Difficult to exploit vulnerability allows
  unauthenticated att…
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L'
cwe:
  - CWE-284
vendor: Oracle Corporation
product: Helidon
affected:
  - Helidon >= 3.0.0 <= 3.2.20
  - Helidon >= 4.0.0 <= 4.5.4
published: '2026-09-15'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T16:18:10.900'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83231'
references:
  - url: 'https://www.oracle.com/security-alerts/cspusep2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-17T14:22:29.706607Z'
epss: 0.00224
epssPercentile: 0.13273
ingestedAt: '2026-09-15T20:44:02.494Z'
---

## Overview

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-dbclient-mongodb).  Supported versions that are affected are 3.0.0-3.2.20 and 4.0.0-4.5.4. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  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 and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L).

## Remediation

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