CVE-2026-82827: CWE-321 Use of hard-coded cryptographic key in Hitachi Industrial Equipment Systems Hitachi Coding Software Suite
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.
AI Analysis
Technical Summary
CVE-2026-82827 is a vulnerability in Hitachi Coding Software Suite (versions prior to 4.0.0) caused by the use of a hard-coded cryptographic key (CWE-321). The hardcoded JWT signing secret key enables attackers to forge valid Bearer tokens, potentially granting unauthorized administrative access. The vulnerability has a CVSS 4.0 base score of 9.3, indicating critical severity. No vendor advisory or patch information is provided, and no known exploits are reported in the wild.
Potential Impact
An attacker can generate unauthorized JWT Bearer tokens due to the hardcoded signing key, allowing them to bypass authentication and perform administrative actions within the affected software. This could lead to full compromise of the application’s administrative functions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected software and monitor for suspicious activity related to token usage.
CVE-2026-82827: CWE-321 Use of hard-coded cryptographic key in Hitachi Industrial Equipment Systems Hitachi Coding Software Suite
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.
CVSS v4.0
Score 9.3critical
Affected software
Hitachi Industrial Equipment Systems
Hitachi Coding Software Suite
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82827 is a vulnerability in Hitachi Coding Software Suite (versions prior to 4.0.0) caused by the use of a hard-coded cryptographic key (CWE-321). The hardcoded JWT signing secret key enables attackers to forge valid Bearer tokens, potentially granting unauthorized administrative access. The vulnerability has a CVSS 4.0 base score of 9.3, indicating critical severity. No vendor advisory or patch information is provided, and no known exploits are reported in the wild.
Potential Impact
An attacker can generate unauthorized JWT Bearer tokens due to the hardcoded signing key, allowing them to bypass authentication and perform administrative actions within the affected software. This could lead to full compromise of the application’s administrative functions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the affected software and monitor for suspicious activity related to token usage.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Hitachi
- Date Reserved
- 2026-08-31T06:46:48.200Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abe749ea43b0b3b89bd1d6c
Added to database: 10/01/2026, 14:56:30 UTC
Last enriched: 10/01/2026, 15:29:11 UTC
Last updated: 10/02/2026, 04:48:46 UTC
Views: 15
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