# lit-element@4.2.1 security report (npm)

- Verdict: **No issues** (risk level: safe)
- Scanned: 2026-10-04T16:34:09.000Z
- Files reviewed: 28
- Findings: no findings
- Report: https://security.togoder.click/npm/lit-element
- Source: Togoder Security (https://security.togoder.click), AI source-code review

## Summary

Togoder Security scanned the npm package lit-element@4.2.1 on Oct 4, 2026. An AI review of 28 source files produced no findings. No malicious behavior, install-time payloads, credential theft or exfiltration were identified.

## Findings

No findings.

## Files reviewed

- `decorators.js` (safe): No malicious patterns detected
- `decorators/custom-element.js` (safe): Cleared by Jev triage; no further analysis needed
- `decorators/event-options.js` (safe): The file simply re-exports a Lit decorator module with no malicious patterns or dynamic behavior.
- `decorators/property.js` (safe): Cleared by Jev triage; no further analysis needed
- `decorators/query-all.js` (safe): This file is a simple re-export of a Lit decorator module with no malicious patterns or execution at import time.
- `decorators/query-assigned-elements.js` (safe): Cleared by Jev triage; no further analysis needed
- `decorators/query-assigned-nodes.js` (safe): Cleared by Jev triage; no further analysis needed
- `decorators/query-async.js` (safe): Cleared by Jev triage; no further analysis needed
- `decorators/query.js` (safe): This file is a simple re-export shim for Lit's reactive-element query decorator with no malicious patterns detected.
- `decorators/state.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/custom-element.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/event-options.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/property.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/query-all.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/query-assigned-elements.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/query-assigned-nodes.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/query-async.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/query.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/decorators/state.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/index.js` (safe): Cleared by Jev triage; no further analysis needed
- `development/lit-element.js` (safe): This is the legitimate development build of Google's LitElement library, containing only standard rendering logic, lifecycle callbacks, and no malicious patterns such as data exfiltration, credential harvesting, or dynamic code execution.
- `development/polyfill-support.js` (safe): No malicious patterns detected; this is a legitimate LitElement polyfill patch for web components support with no data exfiltration, credential harvesting, or dynamic code execution.
- `development/private-ssr-support.js` (safe): Cleared by Jev triage; no further analysis needed
- `index.js` (safe): No malicious patterns detected; the file only re-exports modules from well-known Lit libraries.
- `lit-element.js` (safe): This is the official LitElement library from Google's Lit project, containing only standard component rendering logic with no malicious patterns detected.
- `polyfill-support.js` (safe): No malicious patterns detected; this is legitimate Google Lit/ShadyCSS polyfill support code.
- `private-ssr-support.js` (safe): No malicious patterns detected

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