4.9Medium
CVE-2026-82853Nodemailer before 8.0.5 SMTP Command Injection via CRLF
Description
Nodemailer versions before 8.0.5 contain an SMTP command injection vulnerability in the transport name option used in EHLO/HELO commands. The name parameter is concatenated directly into SMTP commands without sanitizing carriage return and line feed characters, allowing attackers to inject arbitrary SMTP commands for email spoofing and phishing attacks.
Weakness (CWE):
CWE-93
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| nodemailer | nodemailer | < 8.0.5, fixed 8.0.5 |
References and patches
- GitHub Security Advisory (GHSA-vvjj-xcjg-gr5g) vendor-advisory
- VulnCheck Advisory: Nodemailer before 8.0.5 SMTP Command Injection via CRLF third-party-advisory