---
id: CVE-2026-82827
title: >-
  Hitachi Coding Software Suite contains a vulnerability related to Use of
  Hard-coded Cryptographic Key
summary: >-
  Hitachi Coding Software Suite contains a vulnerability related to Use of
  Hard-coded Cryptographic Key. The Hardcoding of JWT signing secret key allows
  an attacker to generate unauthorized Bearer tokens and exploit administrative
  function…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-321
vendor: Hitachi Industrial Equipment Systems
product: Hitachi Coding Software Suite
affected:
  - hitachi_coding_software_suite <= 3.3.0
published: '2026-10-01'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T05:17:10.780'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82827'
references:
  - url: >-
      https://www.hitachi-ies.com/common/documents/vulnerability/hcss/Hitachi_Coding_Software_Suite_Public_statement_20260925_EN.pdf
    label: hirt@hitachi.co.jp
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-01T05:37:57.554Z'
---

## Overview

Hitachi Coding Software Suite contains a vulnerability related to Use of Hard-coded Cryptographic Key. The Hardcoding of JWT signing secret key allows an attacker to generate unauthorized Bearer tokens and exploit administrative functions.


This issue affects Hitachi Coding Software Suite: through 3.3.0.

## Remediation

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