{"id":"GHSA-2w3f-9w3q-qw77","summary":"Prototype Pollution in config-handler","details":"All versions of package config-handler are vulnerable to Prototype Pollution when loading config files.","aliases":["CVE-2021-23448","SNYK-JS-CONFIGHANDLER-1564947"],"modified":"2026-07-08T06:49:55.641468870Z","published":"2021-10-12T18:30:37Z","database_specific":{"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2021-10-12T17:01:08Z","nvd_published_at":"2021-10-11T21:15:00Z","cwe_ids":["CWE-913"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23448"},{"type":"WEB","url":"https://github.com/jarradseers/config-handler/issues/1"},{"type":"PACKAGE","url":"https://github.com/jarradseers/config-handler"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-CONFIGHANDLER-1564947"}],"affected":[{"package":{"name":"config-handler","ecosystem":"npm","purl":"pkg:npm/config-handler"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2.0.3"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/10/GHSA-2w3f-9w3q-qw77/GHSA-2w3f-9w3q-qw77.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}