---
id: CVE-2026-101571
title: >-
  Vulnerability in the Helidon product of Oracle Fusion Middleware (component:
  helidon-security-providers-idcs-mapper)
summary: >-
  Vulnerability in the Helidon product of Oracle Fusion Middleware (component:
  helidon-security-providers-idcs-mapper).  Supported versions that are affected
  are 3.0.0-3.2.21 and 4.0.0-4.5.5. Difficult to exploit vulnerability allows
  low p…
severity: medium
cvss: 5.6
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N'
cvssSource: cna
vendor: Oracle Corporation
product: Helidon
affected:
  - Helidon >= 3.0.0 <= 3.2.21
  - Helidon >= 4.0.0 <= 4.5.5
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:21:37.323Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-101571'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.985Z'
---

## Overview

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-idcs-mapper).  Supported versions that are affected are 3.0.0-3.2.21 and 4.0.0-4.5.5. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Helidon executes 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 5.6 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N).

## Affected

- `Helidon >= 3.0.0 <= 3.2.21`
- `Helidon >= 4.0.0 <= 4.5.5`

## Remediation

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