diff --git a/codiki-exposition/src/main/java/org/codiki/exposition/configuration/GlobalControllerExceptionHandler.java b/codiki-exposition/src/main/java/org/codiki/exposition/configuration/GlobalControllerExceptionHandler.java
index fd04a1c..b39f56b 100644
--- a/codiki-exposition/src/main/java/org/codiki/exposition/configuration/GlobalControllerExceptionHandler.java
+++ b/codiki-exposition/src/main/java/org/codiki/exposition/configuration/GlobalControllerExceptionHandler.java
@@ -2,7 +2,6 @@ package org.codiki.exposition.configuration;
 
 import static org.springframework.http.HttpStatus.BAD_REQUEST;
 import static org.springframework.http.HttpStatus.FORBIDDEN;
-import static org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR;
 import static org.springframework.http.HttpStatus.NOT_FOUND;
 import static org.springframework.http.HttpStatus.UNAUTHORIZED;
 import org.codiki.domain.category.exception.CategoryDeletionException;
@@ -17,82 +16,52 @@ import org.codiki.domain.picture.exception.PictureUploadException;
 import org.codiki.domain.publication.exception.PublicationEditionException;
 import org.codiki.domain.publication.exception.PublicationNotFoundException;
 import org.codiki.domain.publication.exception.PublicationUpdateForbiddenException;
-import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ProblemDetail;
 import org.springframework.web.bind.annotation.ExceptionHandler;
-import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
 
-@ControllerAdvice
-public class GlobalControllerExceptionHandler {
-
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(LoginFailureException.class)
-    public void handleLoginFailureException() {
-        // Do nothing.
+@RestControllerAdvice
+public class GlobalControllerExceptionHandler extends ResponseEntityExceptionHandler {
+    @ExceptionHandler({
+        CategoryDeletionException.class,
+        CategoryEditionException.class,
+        CategoryNotFoundException.class,
+        LoginFailureException.class,
+        PublicationEditionException.class,
+        PictureUploadException.class
+    })
+    public ProblemDetail handleBadRequestExceptions(Exception exception) {
+        return buildProblemDetail(BAD_REQUEST, exception);
     }
 
-    @ResponseStatus(NOT_FOUND)
-    @ExceptionHandler(UserDoesNotExistException.class)
-    public void handleUserDoesNotExistException() {
-        // Do nothing.
+    @ExceptionHandler({
+        UserDoesNotExistException.class,
+        RefreshTokenDoesNotExistException.class,
+        PublicationNotFoundException.class,
+        PictureNotFoundException.class
+    })
+    public ProblemDetail handleNotFoundExceptions(Exception exception) {
+        return buildProblemDetail(NOT_FOUND, exception);
     }
 
-    @ResponseStatus(NOT_FOUND)
-    @ExceptionHandler(RefreshTokenDoesNotExistException.class)
-    public void handleRefreshTokenDoesNotExistException() {
-        // Do nothing.
+    @ExceptionHandler({
+        RefreshTokenExpiredException.class
+    })
+    public ProblemDetail handleUnauthorizedExceptions(Exception exception) {
+        return buildProblemDetail(UNAUTHORIZED, exception);
     }
 
-    @ResponseStatus(UNAUTHORIZED)
-    @ExceptionHandler(RefreshTokenExpiredException.class)
-    public void handleRefreshTokenExpiredException() {
-        // Do nothing.
+    @ExceptionHandler({
+        PublicationUpdateForbiddenException.class
+    })
+    public ProblemDetail handleForbiddenExceptions(Exception exception) {
+        return buildProblemDetail(FORBIDDEN, exception);
     }
 
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(CategoryNotFoundException.class)
-    public void handleCategoryNotFoundException() {
-        // Do nothing.
+    private static ProblemDetail buildProblemDetail(HttpStatus forbidden, Exception exception) {
+        return ProblemDetail.forStatusAndDetail(forbidden, exception.getMessage());
     }
 
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(PublicationEditionException.class)
-    public void handlePublicationEditionException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(NOT_FOUND)
-    @ExceptionHandler(PublicationNotFoundException.class)
-    public void handlePublicationNotFoundException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(FORBIDDEN)
-    @ExceptionHandler(PublicationUpdateForbiddenException.class)
-    public void handlePublicationUpdateForbiddenException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(CategoryEditionException.class)
-    public void handleCategoryEditionException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(CategoryDeletionException.class)
-    public void handleCategoryDeletionException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(PictureUploadException.class)
-    public void handlePictureUploadException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(NOT_FOUND)
-    @ExceptionHandler(PictureNotFoundException.class)
-    public void handlePictureNotFoundException() {
-        // Do nothing.
-    }
 }
diff --git a/codiki-exposition/src/main/java/org/codiki/exposition/configuration/security/SecurityConfiguration.java b/codiki-exposition/src/main/java/org/codiki/exposition/configuration/security/SecurityConfiguration.java
index 72f9322..40e93f7 100644
--- a/codiki-exposition/src/main/java/org/codiki/exposition/configuration/security/SecurityConfiguration.java
+++ b/codiki-exposition/src/main/java/org/codiki/exposition/configuration/security/SecurityConfiguration.java
@@ -6,6 +6,7 @@ import static org.springframework.http.HttpMethod.OPTIONS;
 import static org.springframework.http.HttpMethod.POST;
 import static org.springframework.http.HttpMethod.PUT;
 import static org.springframework.security.config.http.SessionCreationPolicy.STATELESS;
+import org.codiki.domain.user.model.UserRole;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.config.Customizer;
@@ -55,15 +56,15 @@ public class SecurityConfiguration {
                 .requestMatchers(
                     POST,
                     "/api/categories"
-                ).hasRole("ADMIN")
+                ).hasRole(UserRole.ADMIN.name())
                 .requestMatchers(
                     PUT,
                     "/api/categories/{categoryId}"
-                ).hasRole("ADMIN")
+                ).hasRole(UserRole.ADMIN.name())
                 .requestMatchers(
                     DELETE,
                     "/api/categories/{categoryId}"
-                ).hasRole("ADMIN")
+                ).hasRole(UserRole.ADMIN.name())
                 .requestMatchers(OPTIONS).permitAll()
                 .anyRequest().authenticated()
             );