CVE-2020-8268
CVSS v3
7.5
HIGH
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2020-11-09
Frequently asked questions
What is CVE-2020-8268?
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.
Is CVE-2020-8268 actively exploited?
Active exploitation of CVE-2020-8268 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-8268?
CVE-2020-8268 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-8268 affecting your environment?
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