# react@18.3.1 security report (npm)

- Verdict: **No issues** (risk level: safe)
- Scanned: 2026-10-04T16:54:46.000Z
- Files reviewed: 8
- Findings: no findings
- Report: https://security.togoder.click/npm/react@18.3.1
- Source: Togoder Security (https://security.togoder.click), AI source-code review

## Summary

Togoder Security scanned the npm package react@18.3.1 on Oct 4, 2026. An AI review of 8 source files produced no findings. No malicious behavior, install-time payloads, credential theft or exfiltration were identified.

## Findings

No findings.

## Files reviewed

- `cjs/react-jsx-dev-runtime.development.js` (safe): No malicious patterns detected
- `cjs/react-jsx-runtime.development.js` (safe): No malicious patterns detected; this is the legitimate React JSX runtime development build from the official React package.
- `cjs/react.development.js` (safe): This is the official React 18.3.1 development build; all code is standard React internals with no malicious patterns detected.
- `cjs/react.shared-subset.development.js` (safe): No malicious patterns detected
- `index.js` (safe): No malicious patterns detected; the file is a standard conditional export entry point for the React package.
- `jsx-dev-runtime.js` (safe): No malicious patterns detected; the code simply conditionally re-exports React's JSX dev runtime based on NODE_ENV.
- `jsx-runtime.js` (safe): No malicious patterns detected; file is a standard React JSX runtime entry point that conditionally loads production or development builds based on NODE_ENV.
- `react.shared-subset.js` (safe): No malicious patterns detected

## Version ranges

None of the 2 scanned versions of react are flagged high or critical. The latest scanned version, 19.3.0, is medium risk. Only versions we have scanned are listed; unscanned versions between them are not covered.

- 19.3.0 (`19.3.0`): medium
- 19.0.0 – 19.2.8 (`>=19.0.0 <=19.2.8`): not scanned
- 18.3.1 (`18.3.1`): clean

## Scanned versions

- [19.3.0](https://security.togoder.click/npm/react@19.3.0): medium, 2026-10-06T14:23:51.000Z
- [18.3.1](https://security.togoder.click/npm/react@18.3.1): safe, 2026-10-04T16:54:46.000Z

AI analysis is guidance, not a guarantee. Methodology: https://security.togoder.click/methodology