CVE-2026-38728

HIGH

Nodemailer smtp_server <3.18.3 - DoS

Title source: llm
STIX 2.1

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

Scores

CVSS v3 7.5
EPSS 0.0056
EPSS Percentile 42.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-400
Status published
Published May 15, 2026
Tracked Since May 15, 2026