CVE-2026-59876
CVE-2026-59876 · protobufjs: Text Format string map parsing can mutate returned map object prototype
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
protobufjs compiles protobuf definitions into JavaScript (JS) functions. From 8.2.0 until 8.6.5, the protobufjs Text Format extension parsed string-keyed map entries using ordinary property assignment, allowing a map entry with key __proto__ to change the prototype of the returned map object instead of creating an own map entry in protobufjs/ext/textformat. This issue is fixed in version 8.6.5.
CVSS 4.8 · Moyenne · EPSS 0,3% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: node
Produits et versions concernés
protobuf.js
- Versions du logiciel
- >= 8.2.0, < 8.6.5: Concernée
Aucun correctif publié
protobufjs npm
- Plages de versions concernées
- SEMVER: ≥ 8.2.0, < 8.6.5
Mettez à jour vers 8.6.5
Sources originales
- https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-jfj6-75fj-8934
- https://github.com/protobufjs/protobuf.js/pull/2335
- https://github.com/protobufjs/protobuf.js/commit/9f97fe413072d3beb52c74e62d88ea8adc9444d8
- https://github.com/protobufjs/protobuf.js/releases/tag/protobufjs-v8.6.5
- https://nvd.nist.gov/vuln/detail/CVE-2026-59876