{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-82827", "assignerOrgId": "50d0f415-c707-4733-9afc-8f6c0e9b3f82", "state": "PUBLISHED", "assignerShortName": "Hitachi", "dateReserved": "2026-08-31T06:46:48.200Z", "datePublished": "2026-10-01T04:57:55.728Z", "dateUpdated": "2026-10-01T15:42:16.035Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "50d0f415-c707-4733-9afc-8f6c0e9b3f82", "shortName": "Hitachi", "dateUpdated": "2026-10-01T04:57:55.728Z" }, "title": "A hard-coded JWT signing secret key may allow administrative functions to be abused using fraudulently generated Bearer tokens", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-321", "description": "CWE-321 Use of hard-coded cryptographic key", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-37", "descriptions": [ { "lang": "en", "value": "CAPEC-37 Retrieve Embedded Sensitive Data" } ] } ], "affected": [ { "vendor": "Hitachi Industrial Equipment Systems", "product": "Hitachi Coding Software Suite", "versions": [ { "status": "affected", "version": "0", "lessThanOrEqual": "3.3.0", "changes": [ { "at": "4.0.0", "status": "unaffected" } ], "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "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.\n\n\nThis issue affects Hitachi Coding Software Suite: through 3.3.0.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "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.

" } ] } ], "references": [ { "url": "https://www.hitachi-ies.com/common/documents/vulnerability/hcss/Hitachi_Coding_Software_Suite_Public_statement_20260925_EN.pdf", "tags": [ "vendor-advisory" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.3, "vectorString": "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" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" } } ], "credits": [ { "lang": "en", "value": "Michael Heinzl", "type": "finder" } ], "source": { "advisory": "hitachi-sec-2026-001", "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.5" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-01T15:42:02.729318Z", "id": "CVE-2026-82827", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-01T15:42:16.035Z" } } ] } }