{"action":"Upgrade node-handlebars to 3:4.5.3-1 or later.","affected":[{"fixed":"3:4.5.3-1","introduced":"0"}],"component":"node-handlebars","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3:4.5.3-1"],"id":"tcs_01M5NE3N0KDW47XPXMC8DZBETM","modified_at":"2026-09-21T07:02:33.203308441Z","published_at":"2019-12-20T23:15:11.480Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-19919","https://security-tracker.debian.org/tracker/CVE-2019-19919"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-19919#Debian:14/node-handlebars","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-19919"}],"summary":"Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow"}