{"affected":[{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"nodemailer","product":"nodemailer","source":"CNA: VulnCheck","vendor":"nodemailer","versions":[{"lessThan":"10.1.4","status":"affected","version":"3.0.0","versionType":"semver"},{"status":"unaffected","version":"10.1.4","versionType":"semver"}]}],"cveId":"CVE-2026-121425","cwes":["CWE-20"],"description":"Nodemailer from 3.0.0 before 10.1.4 contains a parsing flaw in addressparser that ends an RFC 5322 group at a semicolon inside quoted display names or comments. Attackers can submit crafted group addresses that conformant validators approve, redirecting mail to attacker-chosen recipients and bypassing recipient allow lists.","epss":null,"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-m943-m63m-w62w"}],"kev":null,"metrics":[{"score":8.3,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":6.5,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"}],"modifiedAt":1793724934338,"publishedAt":1793716100774,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-m943-m63m-w62w"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nodemailer-3.0.0-before-10.1.4-recipient-injection-via-addressparser-group-parsing"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-m943-m63m-w62w"}],"remediation":[],"revision":"b99a219c85780237797b4a7cea3a6b86df835e190e395547ba509a693f5ab27e","sources":[{"modifiedAt":1793724934338,"name":"CNA: VulnCheck","retrievedAt":1793725902189,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121425"}],"ssvc":{"assessedAt":1793724903726,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Nodemailer 3.0.0 before 10.1.4 Recipient Injection via addressparser Group Parsing","updatedAt":1793725902189}