{"cve":"CVE-2018-16491","nvd":{"published":"2019-02-01T18:29:01.083","modified":"2026-06-17T01:44:23.220","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-74","CWE-400"],"references":["https://hackerone.com/reports/430831","https://hackerone.com/reports/430831"],"products":["dreamerslab:node.extend"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2018-16491","score":0.01719,"percentile":0.77456,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-r96c-57pf-9jjm","url":"https://osv.dev/vulnerability/GHSA-r96c-57pf-9jjm","summary":"Prototype Pollution in node.extend","modified":"2023-11-08T04:00:00.993913Z","packages":[{"ecosystem":"npm","name":"node.extend","purl":"pkg:npm/node.extend","ranges":["<1.1.7"],"fixed":["1.1.7"]},{"ecosystem":"npm","name":"node.extend","purl":"pkg:npm/node.extend","ranges":[">=2.0.0 <2.0.1"],"fixed":["2.0.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}