{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85063", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-02T21:21:01.774Z", "datePublished": "2026-09-03T20:32:46.145Z", "dateUpdated": "2026-09-03T20:32:46.145Z"}, "containers": {"cna": {"title": "node-csv: Prototype replacement still reachable via columns path", "problemTypes": [{"descriptions": [{"cweId": "CWE-1321", "lang": "en", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/adaltas/node-csv/security/advisories/GHSA-8cw4-87c7-c6xx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/adaltas/node-csv/security/advisories/GHSA-8cw4-87c7-c6xx"}, {"name": "https://github.com/adaltas/node-csv/issues/496", "tags": ["x_refsource_MISC"], "url": "https://github.com/adaltas/node-csv/issues/496"}, {"name": "https://github.com/adaltas/node-csv/pull/497", "tags": ["x_refsource_MISC"], "url": "https://github.com/adaltas/node-csv/pull/497"}, {"name": "https://github.com/adaltas/node-csv/commit/eb4d1484589c976dcb977db8dd0b90e015a6f66e", "tags": ["x_refsource_MISC"], "url": "https://github.com/adaltas/node-csv/commit/eb4d1484589c976dcb977db8dd0b90e015a6f66e"}], "affected": [{"vendor": "adaltas", "product": "node-csv", "versions": [{"version": "< 7.0.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-03T20:32:46.145Z"}, "descriptions": [{"lang": "en", "value": "node-csv is a full-featured CSV parser with a simple API that is tested against large datasets. Prior to 7.0.2, csv-parse with the columns and group_columns_by_name options enabled treats a duplicate __proto__ header as an existing property in packages/csv-parse/lib/api/index.js, assigns an attacker-controlled array through obj['__proto__'], and replaces the parsed record object's prototype. A malicious CSV header can therefore inject inherited array values into the returned record, hide those inherited values from JSON serialization, and affect property enumeration and type or shape checks in applications that process the record. This issue is fixed in version 7.0.2."}], "source": {"advisory": "GHSA-8cw4-87c7-c6xx", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "node-csv", "vendor": "adaltas", "versions": [{"status": "affected", "version": "< 7.0.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "node-csv is a full-featured CSV parser with a simple API that is tested against large datasets. Prior to 7.0.2, csv-parse with the columns and group_columns_by_name options enabled treats a duplicate __proto__ header as an existing property in packages/csv-parse/lib/api/index.js, assigns an attacker-controlled array through obj['__proto__'], and replaces the parsed record object's prototype. A malicious CSV header can therefore inject inherited array values into the returned record, hide those inherited values from JSON serialization, and affect property enumeration and type or shape checks in applications that process the record. This issue is fixed in version 7.0.2."}], "id": "CVE-2026-85063", "lastModified": "2026-09-03T21:17:23.620", "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": "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: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": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-03T21:17:23.620", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/adaltas/node-csv/commit/eb4d1484589c976dcb977db8dd0b90e015a6f66e"}, {"source": "security-advisories@github.com", "url": "https://github.com/adaltas/node-csv/issues/496"}, {"source": "security-advisories@github.com", "url": "https://github.com/adaltas/node-csv/pull/497"}, {"source": "security-advisories@github.com", "url": "https://github.com/adaltas/node-csv/security/advisories/GHSA-8cw4-87c7-c6xx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "csv-parse: node-csv: Prototype pollution via malicious CSV header", "id": "2528257", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2528257"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-915", "details": ["A flaw was found in node-csv, specifically within its csv-parse component. When configured with columns and group_columns_by_name options, a remote attacker can craft a malicious CSV header to manipulate the __proto__ property. This allows the injection of attacker-controlled values into the parsed record's prototype, leading to information disclosure. This vulnerability can also affect property enumeration and type or shape checks in applications processing the record."], "name": "CVE-2026-85063", "package_state": [{"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Fix deferred", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Out of support scope", "package_name": "csv-parse", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.1", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform/automation-portal", "product_name": "Self-service automation portal 2"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform/bootc-automation-portal-rhel9", "product_name": "Self-service automation portal 2"}], "public_date": "2026-09-03T20:32:46Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-85063\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-85063\nhttps://github.com/adaltas/node-csv/commit/eb4d1484589c976dcb977db8dd0b90e015a6f66e\nhttps://github.com/adaltas/node-csv/issues/496\nhttps://github.com/adaltas/node-csv/pull/497\nhttps://github.com/adaltas/node-csv/security/advisories/GHSA-8cw4-87c7-c6xx"], "threat_severity": "Moderate"}

{"created": "2026-09-03T22:30:10.885763+00:00", "updated": "2026-09-04T01:30:04.517008+00:00", "vendors": [], "weaknesses": ["CWE-1321", "CWE-915"]}