What’s Vulnerable › Vulnerabilities
CVE-2018-16491
- Severity: critical (CVSS 9.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.7% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-02-01 · updated 2026-06-17
- Weakness: CWE-400
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.
Affected products
- HackerOne node.extend: before 1.1.7; from 2.0.0 before 2.0.1 — fixed in 1.1.7, 2.0.1
How to fix
Upgrade to a fixed version: HackerOne node.extend 1.1.7, 2.0.1. Check the vendor advisory for mitigations.
References
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