CVE-2026-4387

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Under specific deployment and execution conditions, the recovered material could be used to authenticate against StrongDM-brokered resources as the affected user."}]}], "affected": [{"vendor": "StrongDM", "product": "StrongDM Desktop Application", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "0", "lessThan": "23.74.0", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "StrongDM", "product": "StrongDM Desktop Client", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "0", "lessThan": "53.77.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "StrongDM Desktop Application before 23.74.0 (Desktop Client before 53.77.0) on Microsoft Windows stores authentication state, including a JSON Web Token and asymmetric key material, in cleartext in a per-user state file located at C:\\Users\\<username>\\.sdm\\state.kv. The file is protected only by default user-level NTFS permissions.\n\n\n\nExploitation requires local read access to the affected user's profile directory and additional deployment and execution conditions on the target host.\n\n\n\nThe condition was reported through coordinated disclosure by Hope Walker (SpecterOps).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>StrongDM Desktop Application before 23.74.0 (Desktop Client before 53.77.0) on Microsoft Windows stores authentication state, including a JSON Web Token and asymmetric key material, in cleartext in a per-user state file located at <code>C:\\Users\\&lt;username&gt;\\.sdm\\state.kv</code>. The file is protected only by default user-level NTFS permissions.</p><p>Exploitation requires local read access to the affected user's profile directory and additional deployment and execution conditions on the target host.</p><p>The condition was reported through coordinated disclosure by Hope Walker (SpecterOps).</p>"}]}], "references": [{"url": "https://security.strongdm.com/?tcuUid=56fde839-9388-4361-8d3b-9baa7b2de2ed", "name": "StrongDM Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://specterops.io/blog/2026/06/01/cve-2026-4387-strongdm-state-file-reuse/", "tags": ["related"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "LOW", "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": "LOW", "baseScore": 2, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L"}}], "solutions": [{"lang": "en", "value": "Upgrade the StrongDM Desktop Application to version 23.74.0 or later (Desktop Client 53.77.0 or later). The fixed release protects the state.kv file at rest using a platform-native data-protection mechanism (Windows DPAPI on Windows).", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Upgrade the StrongDM Desktop Application to version 23.74.0 or later (Desktop Client 53.77.0 or later). 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The file is protected only by default user-level NTFS permissions.</p><p>Exploitation requires local read access to the affected user's profile directory and additional deployment and execution conditions on the target host.</p><p>The condition was reported through coordinated disclosure by Hope Walker (SpecterOps).</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-312", "description": "CWE-312 Cleartext Storage of Sensitive Information"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-522", "description": "CWE-522 Insufficiently Protected Credentials"}]}], "providerMetadata": {"orgId": "ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b", "shortName": "StrongDM", "dateUpdated": "2026-05-29T18:39:22.711Z"}}}, "cveMetadata": {"cveId": "CVE-2026-4387", "state": "PUBLISHED", "dateUpdated": "2026-05-29T19:49:33.218Z", "dateReserved": "2026-03-18T13:52:47.802Z", "assignerOrgId": "ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b", "datePublished": "2026-05-29T18:28:00.572Z", "assignerShortName": "StrongDM"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "StrongDM Desktop Application", "vendor": "StrongDM", "versions": [{"lessThan": "23.74.0", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "StrongDM Desktop Client", "vendor": "StrongDM", "versions": [{"lessThan": "53.77.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "StrongDM Desktop Application before 23.74.0 (Desktop Client before 53.77.0) on Microsoft Windows stores authentication state, including a JSON Web Token and asymmetric key material, in cleartext in a per-user state file located at C:\\Users\\<username>\\.sdm\\state.kv. The file is protected only by default user-level NTFS permissions.\n\n\n\nExploitation requires local read access to the affected user's profile directory and additional deployment and execution conditions on the target host.\n\n\n\nThe condition was reported through coordinated disclosure by Hope Walker (SpecterOps)."}, {"lang": "es", "value": "La aplicaci\u00f3n de escritorio StrongDM anterior a la versi\u00f3n 23.74.0 (Cliente de escritorio anterior a la versi\u00f3n 53.77.0) en Microsoft Windows almacena el estado de autenticaci\u00f3n, incluyendo un JSON Web Token y material de clave asim\u00e9trica, en texto claro en un archivo de estado por usuario ubicado en C:\\Users\\<username>\\.sdm\\state.kv. El archivo est\u00e1 protegido \u00fanicamente por permisos NTFS predeterminados a nivel de usuario.\n\nLa explotaci\u00f3n requiere acceso de lectura local al directorio de perfil del usuario afectado y condiciones adicionales de despliegue y ejecuci\u00f3n en el host objetivo.\n\nLa condici\u00f3n fue reportada a trav\u00e9s de una divulgaci\u00f3n coordinada por Hope Walker (SpecterOps)."}], "id": "CVE-2026-4387", "lastModified": "2026-10-06T22:10:00.247", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "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": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:L/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": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4387", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-29T19:49:18.108657Z", "version": "2.0.3"}}]}, "published": "2026-05-29T20:16:30.650", "references": [{"source": "ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b", "url": "https://security.strongdm.com/?tcuUid=56fde839-9388-4361-8d3b-9baa7b2de2ed"}, {"source": "ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b", "url": "https://specterops.io/blog/2026/06/01/cve-2026-4387-strongdm-state-file-reuse/"}], "sourceIdentifier": "ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-312"}, {"lang": "en", "value": "CWE-522"}], "source": "ebf2cdfb-f390-4894-8ec9-f81bf1c57e6b", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,23.74.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "StrongDM Desktop Application", "source": "cna", "vendor": "StrongDM"}, "product": "strongdm_desktop_application", "vendor": "strongdm"}, {"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,53.77.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "StrongDM Desktop Client", "source": "cna", "vendor": "StrongDM"}, "product": "strongdm_desktop_client", "vendor": "strongdm"}], "created": "2026-05-29T20:30:07.352724+00:00", "updated": "2026-05-30T21:18:03.490190+00:00", "vendors": ["strongdm", "strongdm$PRODUCT$strongdm_desktop_application", "strongdm$PRODUCT$strongdm_desktop_client"]}