{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120386", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2026-11-02T06:51:45.477Z", "datePublished": "2026-11-09T07:44:40.532Z", "dateUpdated": "2026-11-09T07:44:40.532Z"}, "containers": {"cna": {"affected": [{"vendor": "Effekseer", "product": "Effekseer", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "1.80.7"}]}], "descriptions": [{"lang": "en", "value": "Effekseer improperly validates \"effect\" files. When a crafted effect file is loaded to the affected runtime, the host process may be forced to crash."}], "problemTypes": [{"descriptions": [{"description": "Improper handling of structural elements", "lang": "en-US", "cweId": "CWE-237", "type": "CWE"}]}], "references": [{"url": "https://github.com/effekseer/Effekseer/releases/tag/1808"}, {"url": "https://github.com/effekseer/Effekseer/commit/6cf1cb853383765153219ba5ce9b47eff5ad8398"}, {"url": "https://jvn.jp/en/jp/JVN56286875/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_0": {"version": "3.0", "baseSeverity": "MEDIUM", "baseScore": 4.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"}}, {"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-11-09T07:44:40.532Z"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Effekseer", "vendor": "Effekseer", "versions": [{"lessThanOrEqual": "1.80.7", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "vultures@jpcert.or.jp"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Effekseer improperly validates \"effect\" files. When a crafted effect file is loaded to the affected runtime, the host process may be forced to crash."}], "id": "CVE-2026-120386", "lastModified": "2026-11-09T08:17:02.200", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "vultures@jpcert.or.jp", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.1, "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/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": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vultures@jpcert.or.jp", "type": "Secondary"}]}, "published": "2026-11-09T08:17:02.200", "references": [{"source": "vultures@jpcert.or.jp", "url": "https://github.com/effekseer/Effekseer/commit/6cf1cb853383765153219ba5ce9b47eff5ad8398"}, {"source": "vultures@jpcert.or.jp", "url": "https://github.com/effekseer/Effekseer/releases/tag/1808"}, {"source": "vultures@jpcert.or.jp", "url": "https://jvn.jp/en/jp/JVN56286875/"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-237"}], "source": "vultures@jpcert.or.jp", "type": "Primary"}]}

{}

{"created": "2026-11-09T09:30:08.436089+00:00", "title": "Effect File Validation Flaw Causes Application Crash", "updated": "2026-11-09T09:30:08.436094+00:00", "vendors": []}