{"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_01M5NE57YGS89V656ADRHT2S3F","modified_at":"2026-10-09T09:47:22.444878156Z","published_at":"2020-09-30T18:15:17.927Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-20920","https://security-tracker.debian.org/tracker/CVE-2019-20920"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-20920#Debian:14/node-handlebars","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-20920"}],"summary":"Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution. The lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbi"}