Versioned security assessment

Report ID: SA-A0A296EE

7/8/2026, 6:09:42 AM

react-email security assessment v5

Skill Security Certification Report

Audit History
Audit model: codex Historical report
Skill name
react-email
Version
v5
Maintainer
resend
Source
github.com/resend/react-email/tree/main/skills/react-email/
Coverage
9 Files scanned · 4,030 Lines analyzed
Policy version
Unavailable

Confirmed finding summary

No confirmed security findings

The completed audit recorded no confirmed security findings. This is not proof that the Skill has no side effects.

Installation context

Historical evidence

This report may not describe the currently installable artifact. Open the current Skill page for install guidance.

Open current Skill page

This report does not block or authorize the manifest or ZIP.

Most static findings are false positives caused by markdown examples, placeholder URLs, CLI references, and test fixtures. The only confirmed risk is the intended email-sending workflow, which can send live messages through configured providers and should remain user-confirmed.

Report position

Historical report

Open audit history before using this report to install.

Audit attestation

Not attestable

The required immutable binding is incomplete.

Human verification

Not verified

No human verification is recorded for this report.

Coverage

9 Files scanned · 4,030 Lines analyzed

7 items shown for review

Limitations

This report does not claim runtime or sandbox execution and does not prove the absence of side effects.

Evidence chain

Follow the evidence from source binding to the install contract. Available evidence supports verification; it is not a safety guarantee.

  1. Source

    Binding unavailable

  2. Artifact

    Identity incomplete

  3. Audit

    Complete

  4. Install contract

    Open manifest to verify

    Open manifest

Capabilities observed

Observed means this report recorded supporting evidence. Not recorded does not prove that a capability is absent.

Contains scripts

May execute code included with the Skill.

Observed in 6 evidence locations

Network access

May connect to external services.

Observed in 60 evidence locations

Filesystem access

May read or write local files.

Observed in 8 evidence locations

Env variables

May read values from the process environment.

Observed in 10 evidence locations

External commands

May invoke commands or programs outside the Skill.

Observed in 108 evidence locations

Capability review items (7)
Medium
references/SENDING.md:79
Email sending capability
**Nodemailer:**
The line documents provider-based email sending, which can send live messages through configured credentials. This is an intended feature, but it has real side effects and should require explicit user confirmation.
Medium
references/SENDING.md:83
Email sending capability
import nodemailer from 'nodemailer';
The line documents provider-based email sending, which can send live messages through configured credentials. This is an intended feature, but it has real side effects and should require explicit user confirmation.
Medium
references/SENDING.md:85
Email sending capability
const transporter = nodemailer.createTransport({
The line documents provider-based email sending, which can send live messages through configured credentials. This is an intended feature, but it has real side effects and should require explicit user confirmation.
Medium
references/SENDING.md:86
Email sending capability
host: 'smtp.example.com',
The line documents provider-based email sending, which can send live messages through configured credentials. This is an intended feature, but it has real side effects and should require explicit user confirmation.
Medium
references/SENDING.md:88
Email sending capability
auth: { user: process.env.SMTP_USER, pass: process.env.SMTP_PASS }
The line documents provider-based email sending, which can send live messages through configured credentials. This is an intended feature, but it has real side effects and should require explicit user confirmation.
Medium
references/SENDING.md:93
Email sending capability
await transporter.sendMail({
The line documents provider-based email sending, which can send live messages through configured credentials. This is an intended feature, but it has real side effects and should require explicit user confirmation.
Medium
SKILL.md:276
Email sending capability
React Email supports sending with any email service provider. See [references/SENDING.md](references
The line documents provider-based email sending, which can send live messages through configured credentials. This is an intended feature, but it has real side effects and should require explicit user confirmation.

Risk findings

Confirmed security concerns are separated from items that still need review.

No confirmed security findings were recorded for this completed audit.

Remediation

Suggested fixes recorded by this audit. Applying them is the maintainer’s responsibility.

  1. FIX-001
    Medium
    Live email sending can create external side effects when a provider or MCP send tool is configured.
    Add explicit guidance to confirm recipient, subject, sender domain, provider, and test mode before sending any live email.

Expert evidence

Immutable subject identity, scanner metadata, dismissed matches, and source-level evidence.

Artifact subject

Marketplace commit
Unavailable
Content hash
Unavailable
Tree hash
Unavailable
Skill path
Unavailable
Audit payload hash
Unavailable

Analysis metadata

Audit model: codex

Analysis state: Complete

Scope is limited to the recorded files, lines, methods, and evidence. No runtime or sandbox execution is claimed.

Verify and export

JSON report CITATION.cff SARIF 2.1.0 Signed installation manifest

The manifest and lockfile bind install artifacts to cryptographic hashes. This integrity claim is separate from the security assessment.

Audit attestation: not_attestable