CVE-2020-8268

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Prototype pollution vulnerability in json8-merge-patch npm package < 1.0.3 may allow attackers to inject or modify methods and properties of the global object constructor.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-471 CWE-20

Affected software

Vendor	Product	Versions
n/a	json8-merge-patch	Fixed Version: 1.0.3

References

https://hackerone.com/reports/980649Exploit, Issue Tracking, Third Party Advisory
https://hackerone.com/reports/980649Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Nov 9, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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