CVE-2026-82853
Nodemailer before 8.0.5 SMTP Command Injection via CRLF
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-93 |
| Vendor | nodemailer |
| Product | nodemailer |
| Published | Aug 31, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
nodemailer / nodemailer
0 < 8.0.5
References
Credits
🔍 tndud042713