{"id":"CVE-2021-26505","details":"Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.","aliases":["GHSA-g3vf-47fv-8f3c"],"modified":"2026-07-08T21:26:15.185826Z","published":"2023-08-11T14:15:12.257Z","references":[{"type":"REPORT","url":"https://github.com/MrSwitch/hello.js/issues/634"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mrswitch/hello.js","events":[{"introduced":"3d694a97252b28dd09b39a2fd2b7dd3af1fdad63"},{"last_affected":"3d694a97252b28dd09b39a2fd2b7dd3af1fdad63"}],"database_specific":{"cpe":"cpe:2.3:a:hello.js_project:hello.js:1.18.6:*:*:*:*:node.js:*:*","extracted_events":[{"introduced":"1.18.6"},{"last_affected":"1.18.6"}],"source":"CPE_STRING"}}],"versions":["1.18.6","v1.18.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26505.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}