CVE-2026-38728

CVSS 7.5 HIGHEPSS 0.6%CWE-400

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

n/a · n/a

References

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