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#wildcard CORS

Code snippet showing Cursor-generated wildcard CORS config in Express app
Security & Privacy

Cursor's Wildcard CORS Blunder: 80% of AI-Generated Backends Are Vulnerable

Audited 25 Cursor projects last quarter: 20 had wildcard CORS in prod. That's not a bug—it's baked into AI training data, and it's handing attackers your users' sessions on a platter.

3 min read 4 hours ago
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