GHSA-WQVQ-JVPQ-H66F Nodemailer jsonTransport bypasses disableFileAccess and disableUrlAccess during message normalization

Summary Nodemailer's disableFileAccess and disableUrlAccess options are intended to prevent message content and attachments from reading local files or fetching URLs. The normal MIME streaming path enforces those options in MimeNode.getStream. However, jsonTransport serializes messages by calling...