CVE-2026-54271

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54271", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-12T17:13:32.280Z", "datePublished": "2026-06-22T16:16:05.062Z", "dateUpdated": "2026-06-23T13:49:08.385Z"}, "containers": {"cna": {"title": "protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-pr59-h9ph-3fr8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-pr59-h9ph-3fr8"}], "affected": [{"vendor": "protobufjs", "product": "protobufjs-cli", "versions": [{"version": "< 1.3.2", "status": "affected"}, {"version": ">= 2.0.0, < 2.4.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-22T16:16:05.062Z"}, "descriptions": [{"lang": "en", "value": "protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static output from crafted JSON descriptor input. The common case of parsing schemas from .proto files is not affected. This is a bypass of CVE-2026-44295. An attacker who can provide or influence pre-parsed JSON descriptors passed to pbjs static code generation may be able to cause generated JavaScript output to contain attacker-controlled code. The injected code may execute if the generated file is later executed or imported and an affected generated API path is invoked. This vulnerability is fixed in 1.3.2 and 2.5.0."}], "source": {"advisory": "GHSA-pr59-h9ph-3fr8", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-23T13:48:57.561501Z", "id": "CVE-2026-54271", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-23T13:49:08.385Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54271", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-23T13:48:57.561501Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-23T13:49:03.645Z"}}], "cna": {"title": "protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names", "source": {"advisory": "GHSA-pr59-h9ph-3fr8", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "protobufjs", "product": "protobufjs-cli", "versions": [{"status": "affected", "version": "< 1.3.2"}, {"status": "affected", "version": ">= 2.0.0, < 2.4.2"}]}], "references": [{"url": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-pr59-h9ph-3fr8", "name": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-pr59-h9ph-3fr8", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static output from crafted JSON descriptor input. The common case of parsing schemas from .proto files is not affected. This is a bypass of CVE-2026-44295. An attacker who can provide or influence pre-parsed JSON descriptors passed to pbjs static code generation may be able to cause generated JavaScript output to contain attacker-controlled code. The injected code may execute if the generated file is later executed or imported and an affected generated API path is invoked. This vulnerability is fixed in 1.3.2 and 2.5.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-94", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-22T16:16:05.062Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54271", "state": "PUBLISHED", "dateUpdated": "2026-06-23T13:49:08.385Z", "dateReserved": "2026-06-12T17:13:32.280Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-06-22T16:16:05.062Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "protobufjs-cli", "vendor": "protobufjs", "versions": [{"status": "affected", "version": "< 1.3.2"}, {"status": "affected", "version": ">= 2.0.0, < 2.4.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:protobufjs_project:protobufjs-cli:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "7453A64C-E2A4-43AA-944C-9445D660FB19", "versionEndExcluding": "1.3.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:protobufjs_project:protobufjs-cli:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "789C6C99-BDE5-4FD9-A95D-4BE0EB3DF8C1", "versionEndExcluding": "2.5.0", "versionStartIncluding": "2.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static output from crafted JSON descriptor input. The common case of parsing schemas from .proto files is not affected. This is a bypass of CVE-2026-44295. An attacker who can provide or influence pre-parsed JSON descriptors passed to pbjs static code generation may be able to cause generated JavaScript output to contain attacker-controlled code. The injected code may execute if the generated file is later executed or imported and an affected generated API path is invoked. This vulnerability is fixed in 1.3.2 and 2.5.0."}, {"lang": "es", "value": "protobufjs-cli es el complemento de l\u00ednea de comandos para protobuf.js. Antes de 1.3.2 y 2.5.0, una correcci\u00f3n anterior para el manejo inseguro de nombres en la generaci\u00f3n de c\u00f3digo est\u00e1tico / de m\u00f3dulo est\u00e1tico de pbjs estaba incompleta. Las versiones afectadas de protobufjs-cli a\u00fan pod\u00edan emitir referencias JavaScript inseguras al generar salida est\u00e1tica a partir de una entrada de descriptor JSON manipulada. El caso com\u00fan de an\u00e1lisis de esquemas desde archivos .proto no se ve afectado. Esto es una omisi\u00f3n de CVE-2026-44295. Un atacante que puede proporcionar o influir en descriptores JSON pre-analizados pasados a la generaci\u00f3n de c\u00f3digo est\u00e1tico de pbjs podr\u00eda ser capaz de hacer que la salida JavaScript generada contenga c\u00f3digo controlado por el atacante. El c\u00f3digo inyectado podr\u00eda ejecutarse si el archivo generado se ejecuta o importa posteriormente y se invoca una ruta de API generada afectada. Esta vulnerabilidad est\u00e1 corregida en 1.3.2 y 2.5.0."}], "id": "CVE-2026-54271", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54271", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-23T13:48:57.561501Z", "version": "2.0.3"}}]}, "published": "2026-06-22T18:16:45.610", "references": [{"source": "security-advisories@github.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-pr59-h9ph-3fr8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.3.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.4.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "protobufjs-cli", "source": "cna", "vendor": "protobufjs"}, "product": "protobufjs-cli", "vendor": "protobuf"}], "created": "2026-06-22T18:30:15.399572+00:00", "updated": "2026-06-24T16:08:12.502595+00:00", "vendors": ["protobuf", "protobuf$PRODUCT$protobufjs-cli"]}