CVE-2026-41242: falha crítica em protobufjs protobuf.js
protobufjs has an arbitrary code execution issue
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28Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 9.4epss 0.8%
protobufjs compiles protobuf definitions into JavaScript (JS) functions. In versions prior to 8.0.1, 7.5.5, and 6.11.6, 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, 7.5.5, and 6.11.6 patch the issue.
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
Produtos afetados
protobufjs · protobuf.jsCVEs relacionadas — protobufjs protobuf.js
No mesmo produto, das mais perigosas para as menos.
CVE-2026-44289HIGHprotobufjs: Denial of service through unbounded protobuf recursionEPSS 0.6%CVE-2026-44291HIGHprotobufjs: Code generation gadget after prototype pollutionEPSS 0.5%CVE-2026-48712HIGHprotobufjs: Denial of service through unbounded Any expansion during JSON conversionEPSS 0.5%CVE-2026-44294MEDIUMprotobufjs: Denial of service from crafted field names in generated codeEPSS 0.4%CVE-2026-44293HIGHprotobufjs: Code injection through bytes field defaults in generated toObject codeEPSS 0.4%CVE-2026-54269MEDIUMprotobufjs: Schema-derived names can shadow runtime-significant propertiesEPSS 0.4%
Referências
https://access.redhat.com/errata/RHSA-2026:21338https://access.redhat.com/errata/RHSA-2026:24977https://access.redhat.com/errata/RHSA-2026:26234https://access.redhat.com/errata/RHSA-2026:37275https://access.redhat.com/errata/RHSA-2026:62260https://access.redhat.com/security/cve/CVE-2026-41242https://bugzilla.redhat.com/show_bug.cgi?id=2459442https://github.com/protobufjs/protobuf.js/commit/086916b4a52c9f73ce88956edbb38fc902e54bbfhttps://github.com/protobufjs/protobuf.js/commit/535df444ac060243722ac5d672db205e5c531d75https://github.com/protobufjs/protobuf.js/commit/ff7b2afef8754837cc6dc64c864cd111ab477956https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v7.5.5https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.0.1