diff --git a/backend/app/main.py b/backend/app/main.py
index 9744393..4f3a536 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -121,8 +121,7 @@ origins = [
 
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=origins,
-    allow_origin_regex="https://.*sibu.*\.vercel\.app", # Permitir subdominios de vercel con 'sibu'
+    allow_origins=["*"], # Abrir temporalmente para diagnóstico
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],
@@ -134,8 +133,9 @@ logger = logging.getLogger(__name__)
 
 @app.exception_handler(Exception)
 async def global_exception_handler(request, exc):
-    logger.error(f"Global error: {exc}", exc_info=True)
-    return {"detail": "Internal Server Error", "message": str(exc)}
+    # Loguear de forma segura sin caracteres especiales que rompan el terminal
+    logger.error(f"Global error on {request.url.path}: {str(exc)}")
+    return {"detail": "Internal Server Error", "message": "Verify database connection or payload"}
 
 # Ensure upload directories exist
 for sub in ["profiles", "vehicles", "businesses"]:
@@ -167,6 +167,17 @@ async def root():
 
 
 @app.get("/health")
-async def health():
-    """Health check endpoint."""
-    return {"status": "healthy", "environment": settings.environment}
+async def health(session: Session = Depends(get_session)):
+    """Health check endpoint connecting to DB."""
+    db_status = "connected"
+    try:
+        from sqlalchemy import text
+        session.execute(text("SELECT 1"))
+    except Exception as e:
+        db_status = f"disconnected: {str(e)}"
+    
+    return {
+        "status": "healthy" if db_status == "connected" else "degraded",
+        "environment": settings.environment,
+        "database": db_status
+    }