---
id: CVE-2026-6866
title: >-
  CWE-1188 Initialization of a Resource with an Insecure Default vulnerability
  exists that could cause unauthorized disclosure of sensitive information when
  credentials revert to initial settings in rare circumstances, enabling
  unauthorize…
summary: >-
  CWE-1188 Initialization of a Resource with an Insecure Default vulnerability
  exists that could cause unauthorized disclosure of sensitive information when
  credentials revert to initial settings in rare circumstances, enabling
  unauthorize…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-1188
published: '2026-05-12'
updated: '2026-06-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-6866'
references:
  - url: >-
      https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-132-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-132-04.pdf
    label: cybersecurity@se.com
tags:
  - nvd
epss: 0.00291
epssPercentile: 0.21983
ingestedAt: '2026-06-29T13:24:34.841Z'
---

## Overview

CWE-1188 Initialization of a Resource with an Insecure Default vulnerability exists that could cause unauthorized disclosure of sensitive information when credentials revert to initial settings in rare circumstances, enabling unauthorized authentication using known credentials.

## Remediation

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