What’s Vulnerable › Vulnerabilities

CVE-2026-38728

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-15 · updated 2026-06-17
• Weakness: CWE-400

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

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
• https://bytecreator.dev/blog/CVE-2026-38728

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