{"action":"Upgrade dompurify to 3.4.7 or later.","affected":[{"fixed":"3.4.7","introduced":"0"}],"component":"dompurify","cve_ids":["CVE-2026-49978"],"ecosystem":"npm","epss":0.00404,"exploited":false,"fixed_versions":["3.4.7"],"ghsa_id":"GHSA-rp9w-3fw7-7cwq","id":"tcs_01M5KG9H0Y3E7960FNVGME553G","modified_at":"2026-09-10T03:50:50.441575092Z","published_at":"2026-06-15T20:01:45Z","references":["https://osv.dev/vulnerability/GHSA-rp9w-3fw7-7cwq","https://github.com/cure53/DOMPurify/security/advisories/GHSA-rp9w-3fw7-7cwq","https://github.com/cure53/DOMPurify"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-rp9w-3fw7-7cwq","url":"https://osv.dev/vulnerability/GHSA-rp9w-3fw7-7cwq"},{"source":"nvd","source_id":"CVE-2026-49978","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49978"}],"summary":"DOMPurify IN_PLACE Sanitization Bypass via Attached Shadow Root Inside <template>.content"}