{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41242", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-18T03:47:03.135Z", "datePublished": "2026-04-18T16:18:10.652Z", "dateUpdated": "2026-04-18T16:18:10.652Z"}, "containers": {"cna": {"title": "protobufjs has an arbitrary code execution issue", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "baseScore": 9.4, "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "version": "4.0"}}], "references": [{"name": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-xq3m-2v4x-88gg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-xq3m-2v4x-88gg"}, {"name": "https://github.com/protobufjs/protobuf.js/commit/535df444ac060243722ac5d672db205e5c531d75", "tags": ["x_refsource_MISC"], "url": "https://github.com/protobufjs/protobuf.js/commit/535df444ac060243722ac5d672db205e5c531d75"}, {"name": "https://github.com/protobufjs/protobuf.js/commit/ff7b2afef8754837cc6dc64c864cd111ab477956", "tags": ["x_refsource_MISC"], "url": "https://github.com/protobufjs/protobuf.js/commit/ff7b2afef8754837cc6dc64c864cd111ab477956"}, {"name": "https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.5.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.5.5"}, {"name": "https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.0.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.0.1"}], "affected": [{"vendor": "protobufjs", "product": "protobuf.js", "versions": [{"version": "< 7.5.5", "status": "affected"}, {"version": ">= 8.0.0-experimental, < 8.0.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-18T16:18:10.652Z"}, "descriptions": [{"lang": "en", "value": "protobufjs compiles protobuf definitions into JavaScript (JS) functions. In versions prior to 8.0.1 and 7.5.5, attackers can inject arbitrary code in the \"type\" fields of protobuf definitions, which will then execute during object decoding using that definition. Versions 8.0.1 and 7.5.5 patch the issue."}], "source": {"advisory": "GHSA-xq3m-2v4x-88gg", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "protobufjs compiles protobuf definitions into JavaScript (JS) functions. In versions prior to 8.0.1 and 7.5.5, attackers can inject arbitrary code in the \"type\" fields of protobuf definitions, which will then execute during object decoding using that definition. Versions 8.0.1 and 7.5.5 patch the issue."}], "id": "CVE-2026-41242", "lastModified": "2026-04-18T17:16:13.983", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.4, "baseSeverity": "CRITICAL", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-18T17:16:13.983", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/protobufjs/protobuf.js/commit/535df444ac060243722ac5d672db205e5c531d75"}, {"source": "security-advisories@github.com", "url": "https://github.com/protobufjs/protobuf.js/commit/ff7b2afef8754837cc6dc64c864cd111ab477956"}, {"source": "security-advisories@github.com", "url": "https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.5.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.0.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-xq3m-2v4x-88gg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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