{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-59342", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-09-12T12:36:24.636Z", "datePublished": "2025-09-17T17:59:34.163Z", "dateUpdated": "2025-09-17T18:20:28.195Z"}, "containers": {"cna": {"title": "esm.sh writes arbitrary files via path traversal in `X-Zone-Id` header", "problemTypes": [{"descriptions": [{"cweId": "CWE-24", "lang": "en", "description": "CWE-24: Path Traversal: '../filedir'", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P", "version": "4.0"}}], "references": [{"name": "https://github.com/esm-dev/esm.sh/security/advisories/GHSA-g2h5-cvvr-7gmw", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/esm-dev/esm.sh/security/advisories/GHSA-g2h5-cvvr-7gmw"}, {"name": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L116", "tags": ["x_refsource_MISC"], "url": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L116"}, {"name": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L411", "tags": ["x_refsource_MISC"], "url": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L411"}], "affected": [{"vendor": "esm-dev", "product": "esm.sh", "versions": [{"version": "<= 136", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-09-17T17:59:34.163Z"}, "descriptions": [{"lang": "en", "value": "esm.sh is a nobuild content delivery network(CDN) for modern web development. In 136 and earlier, a path-traversal flaw in the handling of the X-Zone-Id HTTP header allows an attacker to cause the application to write files outside the intended storage location. The header value is used to build a filesystem path but is not properly canonicalized or restricted to the application\u2019s storage base directory. As a result, supplying ../ sequences in X-Zone-Id causes files to be written to arbitrary directories."}], "source": {"advisory": "GHSA-g2h5-cvvr-7gmw", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-09-17T18:19:55.260782Z", "id": "CVE-2025-59342", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2025-09-17T18:20:28.195Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-59342", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-09-17T18:19:55.260782Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-09-17T18:19:58.868Z"}}], "cna": {"title": "esm.sh writes arbitrary files via path traversal in `X-Zone-Id` header", "source": {"advisory": "GHSA-g2h5-cvvr-7gmw", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "esm-dev", "product": "esm.sh", "versions": [{"status": "affected", "version": "<= 136"}]}], "references": [{"url": "https://github.com/esm-dev/esm.sh/security/advisories/GHSA-g2h5-cvvr-7gmw", "name": "https://github.com/esm-dev/esm.sh/security/advisories/GHSA-g2h5-cvvr-7gmw", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L116", "name": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L116", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L411", "name": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L411", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "esm.sh is a nobuild content delivery network(CDN) for modern web development. In 136 and earlier, a path-traversal flaw in the handling of the X-Zone-Id HTTP header allows an attacker to cause the application to write files outside the intended storage location. The header value is used to build a filesystem path but is not properly canonicalized or restricted to the application\u2019s storage base directory. As a result, supplying ../ sequences in X-Zone-Id causes files to be written to arbitrary directories."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-24", "description": "CWE-24: Path Traversal: '../filedir'"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-09-17T17:59:34.163Z"}}}, "cveMetadata": {"cveId": "CVE-2025-59342", "state": "PUBLISHED", "dateUpdated": "2025-09-17T18:20:28.195Z", "dateReserved": "2025-09-12T12:36:24.636Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2025-09-17T17:59:34.163Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "esm.sh is a nobuild content delivery network(CDN) for modern web development. In 136 and earlier, a path-traversal flaw in the handling of the X-Zone-Id HTTP header allows an attacker to cause the application to write files outside the intended storage location. The header value is used to build a filesystem path but is not properly canonicalized or restricted to the application\u2019s storage base directory. As a result, supplying ../ sequences in X-Zone-Id causes files to be written to arbitrary directories."}], "id": "CVE-2025-59342", "lastModified": "2025-09-18T13:43:34.310", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-09-17T18:15:53.550", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L116"}, {"source": "security-advisories@github.com", "url": "https://github.com/esm-dev/esm.sh/blob/main/server/router.go#L411"}, {"source": "security-advisories@github.com", "url": "https://github.com/esm-dev/esm.sh/security/advisories/GHSA-g2h5-cvvr-7gmw"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-24"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}