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parse-nested-form-data vulnerabilities

Vulnerabilities published for parse-nested-form-data in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. CVE-2026-45302

    High · CVSS 8.2EPSS 0.32%Fix available

    Prototype Pollution in parse-nested-form-data via `__proto__` in FormData field names

    parse-nested-form-data is a tiny node module for parsing FormData by name into objects and arrays. Prior to version 1.0.1, parseFormData() walks bracket and dot-notation FormData field names into nested objects without filtering reserved property keys. A single FormData field whose name begins with __proto__, or contains .__proto__. mid-path, causes the parser to traverse onto Object.prototype and assign properties there, polluting the prototype chain of every plain object in the running process. This issue has been patched in version 1.0.1.

    • Update to 1.0.1
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