{"action":"Upgrade nodemailer to 10.0.6 or later.","affected":[{"fixed":"10.0.6","introduced":"0"}],"component":"nodemailer","cve_ids":["CVE-2026-100700"],"ecosystem":"npm","epss":0.00279,"exploited":false,"fixed_versions":["10.0.6"],"ghsa_id":"GHSA-v53p-9fqp-m79j","id":"tcs_01M5KGAS7FEPK35WNMSQ176463","modified_at":"2026-09-30T00:00:03.838265495Z","published_at":"2026-09-29T23:43:36Z","references":["https://osv.dev/vulnerability/GHSA-v53p-9fqp-m79j","https://github.com/nodemailer/nodemailer/security/advisories/GHSA-v53p-9fqp-m79j","https://github.com/nodemailer/nodemailer/commit/437d7fc47403df176bc39271641541b7a9bce102","https://github.com/nodemailer/nodemailer","https://github.com/nodemailer/nodemailer/releases/tag/v10.0.6"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-v53p-9fqp-m79j","url":"https://osv.dev/vulnerability/GHSA-v53p-9fqp-m79j"}],"summary":"Nodemailer: Quadratic backtracking in the addressparser free-text fallback allows remote denial of service"}