CVE-2026-117477

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-117477", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2026-10-27T06:16:54.712Z", "datePublished": "2026-11-09T23:22:12.476Z", "dateUpdated": "2026-11-12T17:07:12.689Z"}, "containers": {"cna": {"affected": [{"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 7", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "*"}]}, {"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 9 Security Edition", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "10.7.2-1"}]}, {"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 9 Enterprise Edition", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "10.7.2-1"}]}, {"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 8 Free Edition", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "*"}]}, {"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 8 Business Edition", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "*"}]}, {"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 8 Premium Edition", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "*"}]}, {"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 9 Free Edition", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "9.12.2-1"}]}, {"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 9 Business Edition", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "9.12.2-1"}]}, {"vendor": "GMO Prime Strategy Co., Ltd.", "product": "KUSANAGI 9 Premium Edition", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "9.12.2-1"}]}], "descriptions": [{"lang": "en", "value": "KUSANAGI provided by GMO Prime Strategy Co., Ltd. contains an HTTP header injection vulnerability that may allow arbitrary HTTP headers to be injected into the HTTP response when a user accesses a specially crafted URL."}], "problemTypes": [{"descriptions": [{"description": "Improper neutralization of CRLF sequences in HTTP headers ('HTTP Request/Response Splitting')", "lang": "en-US", "cweId": "CWE-113", "type": "CWE"}]}], "references": [{"url": "https://kusanagi.tokyo/en/releases/27995/"}, {"url": "https://jvn.jp/en/vu/JVNVU92635551/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}, {"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:N/SC:N/SI:L/SA:N"}}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-11-12T05:44:32.062Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-12T17:06:48.863736Z", "id": "CVE-2026-117477", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-12T17:07:12.689Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "KUSANAGI 7", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "*", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "KUSANAGI 9 Security Edition", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "10.7.2-1", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "KUSANAGI 9 Enterprise Edition", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "10.7.2-1", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "KUSANAGI 8 Free Edition", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "*", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "KUSANAGI 8 Business Edition", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "*", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "KUSANAGI 8 Premium Edition", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "*", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "KUSANAGI 9 Free Edition", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "9.12.2-1", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "KUSANAGI 9 Business Edition", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "9.12.2-1", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "KUSANAGI 9 Premium Edition", "vendor": "GMO Prime Strategy Co., Ltd.", "versions": [{"lessThanOrEqual": "9.12.2-1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "vultures@jpcert.or.jp"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "KUSANAGI provided by GMO Prime Strategy Co., Ltd. contains an HTTP header injection vulnerability that may allow arbitrary HTTP headers to be injected into the HTTP response when a user accesses a specially crafted URL."}], "id": "CVE-2026-117477", "lastModified": "2026-11-12T19:05:35.013", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "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": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/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": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vultures@jpcert.or.jp", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-117477", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-12T17:06:48.863736Z", "version": "2.0.3"}}]}, "published": "2026-11-10T00:17:05.140", "references": [{"source": "vultures@jpcert.or.jp", "url": "https://jvn.jp/en/vu/JVNVU92635551/"}, {"source": "vultures@jpcert.or.jp", "url": "https://kusanagi.tokyo/en/releases/27995/"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-113"}], "source": "vultures@jpcert.or.jp", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,10.7.2-1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "KUSANAGI 7 Security Edition", "source": "cna", "vendor": "GMO Prime Strategy Co., Ltd."}, "product": "kusanagi", "vendor": "gmo_prime_strategy"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,9.12.2-1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "KUSANAGI 7 Free Edition", "source": "cna", "vendor": "GMO Prime Strategy Co., Ltd."}, "product": "kusanagi", "vendor": "gmo_prime_strategy"}], "created": "2026-11-10T01:00:12.276496+00:00", "title": "HTTP Header Injection via Crafted URLs", "updated": "2026-11-10T09:29:16.911676+00:00", "vendors": ["gmo_prime_strategy", "gmo_prime_strategy$PRODUCT$kusanagi"]}