{"id":"CVE-2026-44290","sourceIdentifier":"security-advisories@github.com","published":"2026-05-13T16:16:55.847","lastModified":"2026-11-11T20:10:00.273","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2, protobufjs allowed certain schema option paths to traverse through inherited object properties while applying options. A crafted protobuf schema or JSON descriptor could cause option handling to write to properties on global JavaScript constructors, corrupting process-wide built-in functionality. This vulnerability is fixed in 7.5.6 and 8.0.2."},{"lang":"es","value":"protobufjs compila definiciones de protobuf en funciones de JavaScript (JS). Antes de 7.5.6 y 8.0.2, protobufjs permitía que ciertas rutas de opciones de esquema atravesaran propiedades de objetos heredadas mientras aplicaba opciones. Un esquema de protobuf o descriptor JSON manipulado podría causar que el manejo de opciones escribiera en propiedades de constructores globales de JavaScript, corrompiendo la funcionalidad incorporada a nivel de proceso. Esta vulnerabilidad está corregida en 7.5.6 y 8.0.2."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"protobufjs","product":"protobuf.js","versions":[{"version":"< 7.5.6","status":"affected"},{"version":">= 8.0.0, < 8.0.2","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-14T13:44:00.767979Z","id":"CVE-2026-44290","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-1321"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:*","versionEndExcluding":"7.5.6","matchCriteriaId":"BC190A12-59A1-4DEF-A65D-E4216ED5B807"},{"vulnerable":true,"criteria":"cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:*","versionStartIncluding":"8.0.0","versionEndExcluding":"8.0.2","matchCriteriaId":"734292AA-F3B2-4E3E-9FA2-0EBA7AB0BB45"}]}]}],"references":[{"url":"https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-jvwf-75h9-cwgg","source":"security-advisories@github.com","tags":["Mitigation","Vendor Advisory"]}]}