CRLF Injection Affecting nodemailer package, versions <8.0.9
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-17342526
- published16 Jun 2026
- disclosed15 Jun 2026
- creditThai Son Dinh (sondt), Nguyen Huy Vu Dung
Introduced: 15 Jun 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 8.0.9 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 comment field in the list message option. An attacker can inject arbitrary headers into generated email messages by supplying crafted input containing CRLF sequences.