CVE-2026-82661
MEDIUM
NVD
CVSS Score
5.4
Severity
MEDIUM
Published
Aug 31, 2026
Vendor
unknown
Description
Nodemailer before 8.0.9 fails to sanitize carriage return and line feed characters in list comment fields, allowing attackers to inject arbitrary message headers. An attacker with control over list.*.comment parameters can inject CRLF sequences to create additional headers in generated RFC822 messages, altering mail client behavior and message semantics.