CVE-2022-41714: Fastest-JSON-Copy Project Fastest-JSON-Copy

Medium severity, CVSS 5.3. EPSS: 0.7% chance of exploitation in the next 30 days.

fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.

Affected products

Published 2022-11-03. Last modified 2026-06-17.