CVE-2022-41714

fastest-json-copy 1.0.1 - Prototype Pollution

State: Published
Severity: 5.3 Medium
Published: Nov 3, 2022
Updated: Dec 3, 2025
Reserved: Sep 28, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	CISA-ADP

Weaknesses

CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Affected Products

Product	Versions
fastest-json-copyn/a	1.0.1Affected

References

https://fluidattacks.com/advisories/guetta/
https://github.com/streamich/fastest-json-copy

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.