{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-15688", "assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "state": "PUBLISHED", "assignerShortName": "Mitsubishi", "dateReserved": "2026-07-14T00:29:02.381Z", "datePublished": "2026-09-17T08:15:27.769Z", "dateUpdated": "2026-09-17T08:15:27.769Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi", "dateUpdated": "2026-09-17T08:15:27.769Z"}, "title": "Password Authentication Bypass Vulnerability in GX Works3 and Motion Control Setting", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-303", "description": "CWE-303 Incorrect Implementation of Authentication Algorithm", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Password Authentication Bypass"}]}], "affected": [{"vendor": "Mitsubishi Electric Corporation", "product": "GX Works3", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unaffected"}, {"vendor": "Mitsubishi Electric Corporation", "product": "Motion Control Setting", "versions": [{"status": "affected", "version": "All versions"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the executable module in memory, and thereby may be able to view, tamper with, destroy, or delete control programs.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the executable module in memory, and thereby may be able to view, tamper with, destroy, or delete control programs."}]}], "references": [{"url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-007_en.pdf", "tags": ["vendor-advisory"]}, {"url": "https://jvn.jp/vu/JVNVU99700314", "tags": ["government-resource"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "HIGH", "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": 9.2, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "GX Works3", "vendor": "Mitsubishi Electric Corporation", "versions": [{"status": "affected", "version": "All versions"}]}, {"defaultStatus": "unaffected", "product": "Motion Control Setting", "vendor": "Mitsubishi Electric Corporation", "versions": [{"status": "affected", "version": "All versions"}]}], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect Implementation of Authentication Algorithm Vulnerability in Mitsubishi Electric GX Works3 and Motion Control Setting allows a local attacker to successfully authenticate even with an invalid block password by executing the affected product and modifying part of the executable module in memory, and thereby may be able to view, tamper with, destroy, or delete control programs."}], "id": "CVE-2026-15688", "lastModified": "2026-09-17T09:16:39.240", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "type": "Secondary"}]}, "published": "2026-09-17T09:16:39.240", "references": [{"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "url": "https://jvn.jp/vu/JVNVU99700314"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-007_en.pdf"}], "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-303"}], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "type": "Primary"}]}

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