{"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-2026-121426","cwes":["CWE-20"],"description":"Nodemailer from 3.0.0 before 10.1.4 contains an address parsing vulnerability in addressparser that ends an angle-addr at a '>' inside a quoted local part, comment or domain literal. Attackers can submit addresses that validate as an allowed domain but are delivered to an attacker-controlled domain, bypassing recipient allow lists and disclosing message content.","epss":null,"exploits":[],"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":1793716101474,"publishedAt":1793716101474,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/nodemailer/nodemailer/security/advisories/GHSA-85x2-q946-cp5h"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nodemailer-3.0.0-before-10.1.4-recipient-domain-confusion-via-addressparser"}],"remediation":[],"revision":"0c8db764e2cb76bcc6df9f05a747ab0323b8d4a17707c703211005aab4c620cc","sources":[{"modifiedAt":1793716101474,"name":"CNA: VulnCheck","retrievedAt":1793718575197,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121426"}],"ssvc":null,"status":"published","title":"Nodemailer 3.0.0 before 10.1.4 Recipient Domain Confusion via addressparser","updatedAt":1793718575197}