Chartkick.js 3.1.0 through 3.1.3, as used in the Chartkick gem before 3.3.0 for Ruby, allows prototype pollution.
{ "versions": [ { "introduced": "3.1.0" }, { "last_affected": "3.1.3" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18841.json"