clerk-authentication
Integrates Clerk for authentication in React and Next.js apps, managing sessions and webhooks for secure user access.
Install this skill
Security score
The clerk-authentication skill was audited on Mar 1, 2026 and we found 17 security issues across 3 threat categories. Review the findings below before installing.
Categories Tested
Security Issues
Webhook reference - potential data exfiltration
| 3 | description: Load when integrating Clerk for authentication in React and Next.js apps. Applies when implementing auth with Next.js App Router, managing sessions, handling webhooks, or building multi-t |
Webhook reference - potential data exfiltration
| 10 | - Handling user webhooks |
Webhook reference - potential data exfiltration
| 142 | ## Webhooks (User Sync) |
Webhook reference - potential data exfiltration
| 147 | // app/api/webhooks/clerk/route.ts |
Webhook reference - potential data exfiltration
| 148 | import { Webhook } from 'svix' |
Webhook reference - potential data exfiltration
| 150 | import { WebhookEvent } from '@clerk/nextjs/server' |
Webhook reference - potential data exfiltration
| 153 | const WEBHOOK_SECRET = process.env.CLERK_WEBHOOK_SECRET! |
Webhook reference - potential data exfiltration
| 163 | const wh = new Webhook(WEBHOOK_SECRET) |
Webhook reference - potential data exfiltration
| 164 | let event: WebhookEvent |
Webhook reference - potential data exfiltration
| 171 | }) as WebhookEvent |
Webhook reference - potential data exfiltration
| 173 | return new Response('Webhook verification failed', { status: 400 }) |
Webhook reference - potential data exfiltration
| 307 | - [Webhooks](https://clerk.com/docs/integrations/webhooks) |
Access to .env file
| 153 | const WEBHOOK_SECRET = process.env.CLERK_WEBHOOK_SECRET! |
External URL reference
| 304 | - [Next.js App Router](https://clerk.com/docs/quickstarts/nextjs) |
External URL reference
| 305 | - [Middleware](https://clerk.com/docs/references/nextjs/clerk-middleware) |
External URL reference
| 306 | - [Organizations](https://clerk.com/docs/organizations/overview) |
External URL reference
| 307 | - [Webhooks](https://clerk.com/docs/integrations/webhooks) |
Install this skill with one command
/learn @telum-ai/clerk-authentication