{"action":"Upgrade @xmldom/xmldom to 0.9.12 or later.","affected":[{"fixed":"0.9.12","introduced":"0.9.0"}],"component":"@xmldom/xmldom","cve_ids":["CVE-2026-83609"],"ecosystem":"npm","epss":0.00543,"exploited":false,"fixed_versions":["0.9.12"],"ghsa_id":"GHSA-3px3-54cx-rmw9","id":"tcs_01M5KEXZMYT33RAZXRE6K6V3AW","modified_at":"2026-09-08T21:15:03.928359851Z","published_at":"2026-09-08T21:02:33Z","references":["https://osv.dev/vulnerability/GHSA-3px3-54cx-rmw9","https://github.com/xmldom/xmldom/security/advisories/GHSA-3px3-54cx-rmw9","https://nvd.nist.gov/vuln/detail/CVE-2026-83609","https://github.com/xmldom/xmldom/pull/1071","https://github.com/xmldom/xmldom/commit/7b2ec67e1750daadd0bb06c92e875e726544a362","https://github.com/xmldom/xmldom","https://github.com/xmldom/xmldom/releases/tag/0.9.12"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-3px3-54cx-rmw9","url":"https://osv.dev/vulnerability/GHSA-3px3-54cx-rmw9"}],"summary":"xmldom: Creation-time XML Name/QName validation is bypassable via an embedded line terminator, allowing injection on the default serialization path"}