{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-115646", "assignerOrgId": "50d0f415-c707-4733-9afc-8f6c0e9b3f82", "state": "PUBLISHED", "assignerShortName": "Hitachi", "dateReserved": "2026-10-23T06:44:09.350Z", "datePublished": "2026-11-10T04:44:44.767Z", "dateUpdated": "2026-11-10T04:44:44.767Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "50d0f415-c707-4733-9afc-8f6c0e9b3f82", "shortName": "Hitachi", "dateUpdated": "2026-11-10T04:44:44.767Z"}, "title": "Partial String Comparison Vulnerability in HiRDB", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-187", "description": "CWE-187 Partial string comparison", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "affected": [{"vendor": "Hitachi", "product": "HiRDB Server Version 10", "versions": [{"status": "affected", "version": "10-00", "lessThan": "10-12-01", "changes": [{"at": "10-12-01", "status": "unaffected"}, {"at": "10-11-02", "status": "unaffected"}, {"at": "10-08-05", "status": "unaffected"}], "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Hitachi", "product": "HiRDB Server Version 9", "versions": [{"status": "affected", "version": "09-50-06", "lessThanOrEqual": "09-66-22", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Hitachi", "product": "HiRDB Server with Additional Function Version 9", "versions": [{"status": "affected", "version": "09-50-/F", "lessThanOrEqual": "09-66/V", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Hitachi", "product": "HiRDB Server Version 9(32)", "versions": [{"status": "affected", "version": "09-50-06", "lessThanOrEqual": "09-66-22", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Hitachi", "product": "HiRDB Server with Additional Function Version 9(32)", "versions": [{"status": "affected", "version": "09-50-/F", "lessThanOrEqual": "09-66-/V", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Partial String Comparison Vulnerability in HiRDB.\n\n\nThis issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-50-06 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-50-/F through 09-66/V; HiRDB Server Version 9(32): from 09-50-06 through 09-66-22; HiRDB Server with Additional Function Version 9(32): from 09-50-/F through 09-66-/V.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Partial String Comparison Vulnerability in HiRDB.<br><p>This issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-50-06 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-50-/F through 09-66/V; HiRDB Server Version 9(32): from 09-50-06 through 09-66-22; HiRDB Server with Additional Function Version 9(32): from 09-50-/F through 09-66-/V.</p>"}]}], "references": [{"url": "https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-165/index.html", "tags": ["vendor-advisory"]}], "metrics": [{"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"}}], "source": {"advisory": "hitachi-sec-2026-165", "discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "HiRDB Server Version 10", "vendor": "Hitachi", "versions": [{"changes": [{"at": "10-12-01", "status": "unaffected"}, {"at": "10-11-02", "status": "unaffected"}, {"at": "10-08-05", "status": "unaffected"}], "lessThan": "10-12-01", "status": "affected", "version": "10-00", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "HiRDB Server Version 9", "vendor": "Hitachi", "versions": [{"lessThanOrEqual": "09-66-22", "status": "affected", "version": "09-50-06", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "HiRDB Server with Additional Function Version 9", "vendor": "Hitachi", "versions": [{"lessThanOrEqual": "09-66/V", "status": "affected", "version": "09-50-/F", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "HiRDB Server Version 9(32)", "vendor": "Hitachi", "versions": [{"lessThanOrEqual": "09-66-22", "status": "affected", "version": "09-50-06", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "HiRDB Server with Additional Function Version 9(32)", "vendor": "Hitachi", "versions": [{"lessThanOrEqual": "09-66-/V", "status": "affected", "version": "09-50-/F", "versionType": "custom"}]}], "source": "hirt@hitachi.co.jp"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Partial String Comparison Vulnerability in HiRDB.\n\n\nThis issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-50-06 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-50-/F through 09-66/V; HiRDB Server Version 9(32): from 09-50-06 through 09-66-22; HiRDB Server with Additional Function Version 9(32): from 09-50-/F through 09-66-/V."}], "id": "CVE-2026-115646", "lastModified": "2026-11-10T05:17:48.627", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "hirt@hitachi.co.jp", "type": "Secondary"}]}, "published": "2026-11-10T05:17:48.627", "references": [{"source": "hirt@hitachi.co.jp", "url": "https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-165/index.html"}], "sourceIdentifier": "hirt@hitachi.co.jp", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-187"}], "source": "hirt@hitachi.co.jp", "type": "Secondary"}]}

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