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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Hitachi Industrial Equipment Systems Hitachi Coding Software Suite unaffected
Version Status Constraints
0 affected ≤ 3.3.0

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.hitachi-ies.com/common/documents/vulnerability/hcss/Hitachi_Coding_Software_Suite_Public_statement_20260925_EN.pdf cve-icon cve-icon
History

Thu, 01 Oct 2026 05:15:00 +0000

Type Values Removed Values Added
Description 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.
Title A hard-coded JWT signing secret key may allow administrative functions to be abused using fraudulently generated Bearer tokens
Weaknesses CWE-321
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Hitachi

Published:

Updated: 2026-10-01T04:57:55.728Z

Reserved: 2026-08-31T06:46:48.200Z

Link: CVE-2026-82827

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-01T05:17:10.780

Modified: 2026-10-01T05:17:10.780

Link: CVE-2026-82827

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T07:15:04Z

Weaknesses