diff --git a/api/src/main/java/com/orderflow/ecommerce/config/SecurityConfig.java b/api/src/main/java/com/orderflow/ecommerce/config/SecurityConfig.java
index 0e9ff97..66e183a 100644
--- a/api/src/main/java/com/orderflow/ecommerce/config/SecurityConfig.java
+++ b/api/src/main/java/com/orderflow/ecommerce/config/SecurityConfig.java
@@ -1,7 +1,11 @@
 package com.orderflow.ecommerce.config;
 
+import java.util.List;
+
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
@@ -9,6 +13,10 @@
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.SecurityFilterChain;
+import org.springframework.security.web.authentication.HttpStatusEntryPoint;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.CorsConfigurationSource;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
 
 @Configuration
 @EnableWebSecurity
@@ -17,16 +25,49 @@ public class SecurityConfig {
     @Bean
     public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
         http
-                .csrf(AbstractHttpConfigurer::disable) // Desabilita CSRF (comum em APIs REST)
-                .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS)) // API sem estado
+                .csrf(AbstractHttpConfigurer::disable)
+                .cors(cors -> cors.configurationSource(corsConfigurationSource()))
+                .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
+                .httpBasic(AbstractHttpConfigurer::disable)
+                .formLogin(AbstractHttpConfigurer::disable)
+                .exceptionHandling(ex -> ex.authenticationEntryPoint(
+                        new HttpStatusEntryPoint(HttpStatus.UNAUTHORIZED)))
                 .authorizeHttpRequests(auth -> auth
-                        .anyRequest().permitAll() // Por enquanto, libera tudo para você não se travar
+                        .requestMatchers(HttpMethod.OPTIONS, "/**").permitAll()
+                        .requestMatchers(
+                                "/v3/api-docs/**",
+                                "/swagger-ui/**",
+                                "/swagger-ui.html"
+                        ).permitAll()
+                        .requestMatchers("/test/**").permitAll()
+                        .requestMatchers("/auth/**").permitAll()
+                        .requestMatchers(HttpMethod.GET, "/products/**", "/categories/**").permitAll()
+                        .requestMatchers("/products/**", "/categories/**").authenticated()
+                        .anyRequest().authenticated()
                 );
-
+//
         return http.build();
     }
+
+    @Bean
+    public CorsConfigurationSource corsConfigurationSource() {
+        CorsConfiguration configuration = new CorsConfiguration();
+        configuration.setAllowedOrigins(List.of(
+                "http://localhost:5173",
+                "http://127.0.0.1:5173",
+                "http://localhost:4173",
+                "http://127.0.0.1:4173"
+        ));
+        configuration.setAllowedMethods(List.of("GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"));
+        configuration.setAllowedHeaders(List.of("*"));
+        configuration.setAllowCredentials(false);
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        source.registerCorsConfiguration("/**", configuration);
+        return source;
+    }
+
     @Bean
     public PasswordEncoder passwordEncoder() {
         return new BCryptPasswordEncoder();
     }
-}
\ No newline at end of file
+}