CVE-2026-38728
High
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
SeverityHigh
CVSS7.5
Exploit probability—
ProductSmtp-server
PublishedMay 15, 2026
First seenMay 15, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- smtp-server3.18.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| smtp-servernpm | v < 3.18.3 | 3.18.3 |
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