fast-json-patch@2.2.1 vulnerabilities

Fast implementation of JSON-Patch (RFC-6902) with duplex (observe changes) capabilities

Direct Vulnerabilities

Known vulnerabilities in the fast-json-patch package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Prototype Pollution

fast-json-patch is a leaner and meaner implementation of JSON-Patch.

Affected versions of this package are vulnerable to Prototype Pollution via constructor/prototype in fast-json-patch.js.

This is another method to exploit SNYK-JS-FASTJSONPATCH-595663.

How to fix Prototype Pollution?

Upgrade fast-json-patch to version 3.1.1 or higher.