{"action":"Upgrade handlebars to 4.7.7 or later.","affected":[{"fixed":"4.7.7","introduced":"0"}],"component":"handlebars","cve_ids":["CVE-2021-23383"],"ecosystem":"npm","epss":0.04506,"exploited":false,"fixed_versions":["4.7.7"],"ghsa_id":"GHSA-765h-qjxv-5f44","id":"tcs_01M5KF8XXJJE0QF6XN2AHTNET7","modified_at":"2026-09-10T03:49:11.707510012Z","published_at":"2022-02-10T23:51:42Z","references":["https://osv.dev/vulnerability/GHSA-765h-qjxv-5f44","https://nvd.nist.gov/vuln/detail/CVE-2021-23383","https://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25285b2ebea1c1e427","https://github.com/handlebars-lang/handlebars.js","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/handlebars-source/CVE-2021-23383.yml","https://security.netapp.com/advisory/ntap-20210618-0007","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1279031","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1279032","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279030","https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1279029","https://www.npmjs.com/package/handlebars"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-765h-qjxv-5f44","url":"https://osv.dev/vulnerability/GHSA-765h-qjxv-5f44"}],"summary":"Prototype Pollution in handlebars"}