{"cve":"CVE-2018-16486","nvd":{"published":"2019-02-01T18:29:00.897","modified":"2026-06-17T01:44:22.767","status":"Modified","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.","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/380878","https://hackerone.com/reports/380878"],"products":["defaults-deep_project:defaults-deep"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2018-16486","score":0.01481,"percentile":0.73938,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-pjxw-22xf-6pwc","url":"https://osv.dev/vulnerability/GHSA-pjxw-22xf-6pwc","summary":"Prototype Pollution in defaults-deep","modified":"2023-11-08T04:00:00.749502Z","packages":[{"ecosystem":"npm","name":"defaults-deep","purl":"pkg:npm/defaults-deep","ranges":["<=0.2.4"],"fixed":[]}]}],"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."]}