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Vulnerability record · CVE-2026-38728 · published 15 May 2026

CVE-2026-38728: Uncontrolled resource consumption vulnerability

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

7.5 CVSS 3.1 High EPSS 0.75% · top 46.9% CWE-400 · Uncontrolled resource consumption Deferred
7.5CVSS 3.1 base score
0.75%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

LinkTags
https://bytecreator.dev/blog/CVE-2026-38728
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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Source: NIST National Vulnerability Database (record CVE-2026-38728), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.