CRLF Injection Affecting nodemailer package, versions <8.0.5
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-JS-NODEMAILER-15930946
- published8 Apr 2026
- disclosed8 Apr 2026
- creditByunSuyoung
Introduced: 8 Apr 2026
New CVE NOT AVAILABLE CWE-93 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade nodemailer to version 8.0.5 or higher.
Overview
nodemailer is an Easy as cake e-mail sending from your Node.js applications
Affected versions of this package are vulnerable to CRLF Injection via the name configuration configuration option. An attacker can inject arbitrary SMTP commands by supplying carriage return and line feed sequences, enabling unauthorized email sending, sender spoofing, and phishing attacks before authentication occurs.