CVE-2018-16486
CVSS v3
9.8
CRITICAL
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A prototype pollution vulnerability was found in defaults-deep <=0.2.4 that would allow a malicious user to inject properties onto Object.prototype.
Technical details
- Published
- 2019-02-01
Frequently asked questions
What is CVE-2018-16486?
A prototype pollution vulnerability was found in defaults-deep <=0.2.4 that would allow a malicious user to inject properties onto Object.prototype.
Is CVE-2018-16486 actively exploited?
Active exploitation of CVE-2018-16486 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-16486?
CVE-2018-16486 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-16486 affecting your environment?
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