Detections
Analytics

CVE-2018-16491

critical

Description

A prototype pollution vulnerability was found in node.extend <1.1.7, ~<2.0.1 that allows an attacker to inject arbitrary properties onto Object.prototype.

References

https://github.com/CQ-Tools/CVE-2018-16491-unfixed

https://github.com/CQ-Tools/CVE-2018-16491-fixed

https://github.com/advisories/GHSA-r96c-57pf-9jjm

https://hackerone.com/reports/430831

Details

Source: Mitre, NVD

Published: 2019-02-01

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00384