{"action":"Upgrade @xmldom/xmldom to 0.9.11 or later.","affected":[{"fixed":"0.9.11","introduced":"0.9.0-beta.9"}],"component":"@xmldom/xmldom","cve_ids":["CVE-2026-83606"],"ecosystem":"npm","epss":0.00524,"exploited":false,"fixed_versions":["0.9.11"],"ghsa_id":"GHSA-g53g-w8rj-fmg7","id":"tcs_01M5KFQ4G3JPJ38Y2E7QPJPY2R","modified_at":"2026-09-08T20:45:04.316950373Z","published_at":"2026-09-08T20:31:50Z","references":["https://osv.dev/vulnerability/GHSA-g53g-w8rj-fmg7","https://github.com/xmldom/xmldom/security/advisories/GHSA-g53g-w8rj-fmg7","https://nvd.nist.gov/vuln/detail/CVE-2026-83606","https://github.com/xmldom/xmldom/pull/1039","https://github.com/xmldom/xmldom/commit/73df6b8bdbd86f904b9e8c3ab9c49aa54ef2802e","https://github.com/xmldom/xmldom","https://github.com/xmldom/xmldom/releases/tag/0.9.11"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"GHSA-g53g-w8rj-fmg7","url":"https://osv.dev/vulnerability/GHSA-g53g-w8rj-fmg7"},{"source":"nvd","source_id":"CVE-2026-83606","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83606"}],"summary":"xmldom PI grammar regex ReDoS: quadratic backtracking on unterminated processing instructions"}