CVE-2026-38728 PUBLISHED

An issue in Nodemailer smtp_server before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream._write, lib/smtp-stream.js components

• https://github.com/nodemailer/smtp-server
• https://github.com/nodemailer/smtp-server/releases/tag/v3.18.3
• https://bytecreator.dev/blog/CVE-2026-38728

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