CVE-2022-41714

fastest-json-copy 1.0.1 - Prototype Pollution

Published Nov 3, 2022 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-7394 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.
Github GHSA Github GHSA GHSA-p5g9-rjcf-95vj fastest-json-copy vulnerable to Prototype Pollution
History
Type Values Removed Values Added
Title fastest-json-copy 1.0.1 - Prototype Pollution
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Fluid Attacks
Published
Updated
Dec 3, 2025, 7:58 PM
Reserved
Sep 28, 2022, 12:00 AM
Status
Modified
Published
Nov 3, 2022, 8:15 PM
Modified
Jun 17, 2026, 5:03 AM