{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0663", "assignerOrgId": "bcf7a16e-bfdc-46e4-9e42-4187da3f4410", "state": "PUBLISHED", "assignerShortName": "M-Files Corporation", "dateReserved": "2026-01-07T09:47:06.520Z", "datePublished": "2026-01-21T10:29:57.786Z", "dateUpdated": "2026-01-21T10:29:57.786Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "M-Files Server", "vendor": "M-Files Corporation", "versions": [{"lessThan": "26.1.15632.3", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Denial-of-service vulnerability in M-Files Server versions before 26.1.15632.3 allows an authenticated attacker with vault administrator privileges to crash the M-Files Server process by calling a vulnerable API endpoint."}], "value": "Denial-of-service vulnerability in M-Files Server versions before\u00a026.1.15632.3\u00a0allows an authenticated attacker with vault administrator privileges to crash the M-Files Server process by calling a vulnerable API endpoint."}], "impacts": [{"capecId": "CAPEC-153", "descriptions": [{"lang": "en", "value": "CAPEC-153 Input Data Manipulation"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 6.9, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1286", "description": "CWE-1286 Improper Validation of Syntactic Correctness of Input", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "bcf7a16e-bfdc-46e4-9e42-4187da3f4410", "shortName": "M-Files Corporation", "dateUpdated": "2026-01-21T10:29:57.786Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://product.m-files.com/security-advisories/cve-2026-0663/"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update M-Files Server to unaffected version."}], "value": "Update M-Files Server to unaffected version."}], "source": {"discovery": "UNKNOWN"}, "title": "Denial of Service condition in M-Files Server", "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Denial-of-service vulnerability in M-Files Server versions before\u00a026.1.15632.3\u00a0allows an authenticated attacker with vault administrator privileges to crash the M-Files Server process by calling a vulnerable API endpoint."}], "id": "CVE-2026-0663", "lastModified": "2026-01-21T11:15:50.880", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@m-files.com", "type": "Secondary"}]}, "published": "2026-01-21T11:15:50.880", "references": [{"source": "security@m-files.com", "url": "https://product.m-files.com/security-advisories/cve-2026-0663/"}], "sourceIdentifier": "security@m-files.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1286"}], "source": "security@m-files.com", "type": "Secondary"}]}

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