Missing Authorization Affecting nodemailer package, versions <8.0.9


Severity

Recommended
0.0
medium
0
10

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  • Snyk IDSNYK-JS-NODEMAILER-17342530
  • published16 Jun 2026
  • disclosed15 Jun 2026
  • creditThai Son Dinh (sondt), Nguyen Huy Vu Dung

Introduced: 15 Jun 2026

New CVE NOT AVAILABLE CWE-862  (opens in a new tab)

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 Missing Authorization in the jsonTransport message, which fails to enforce file and URL access restrictions during message normalization. An attacker can access local files or trigger outbound HTTP requests by supplying crafted message content fields such as attachment path or text.href.

CVSS Base Scores

version 4.0
version 3.1