diff --git a/src/Controller/FilesController.php b/src/Controller/FilesController.php
index 1d6a90a..66744f0 100755
--- a/src/Controller/FilesController.php
+++ b/src/Controller/FilesController.php
@@ -8,12 +8,14 @@ use App\Entity\ParentDirectory;
 use App\Entity\User;
 use App\Enum\RoleEnum;
 use App\Form\CreateDirectoryType;
+use App\Form\FilePermissionType;
 use App\Form\RenameType;
 use App\Form\UploadType;
 use App\Repository\ParentDirectoryRepository;
 use Doctrine\ORM\EntityManagerInterface;
 use League\Flysystem\Filesystem;
 use League\Flysystem\FilesystemException;
+use Symfony\Bridge\Doctrine\Attribute\MapEntity;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
 use Symfony\Component\HttpFoundation\HeaderUtils;
@@ -45,7 +47,9 @@ class FilesController extends AbstractController
         $path = $this->normalizePath($path);
         $this->getUser();
         if ('' !== $path) {
-            $parentDir = $this->parentDirectoryRepository->findOneBy(['name' => $path]);
+            $pathExploded = explode('/', $path);
+
+            $parentDir = $this->parentDirectoryRepository->findOneBy(['name' => $pathExploded[0]]);
 
             if (null === $parentDir || !$defaultAdapter->directoryExists($path)) {
                 throw $this->createNotFoundException("Ce dossier n'existe pas !");
@@ -121,17 +125,8 @@ class FilesController extends AbstractController
         }
 
         // Si l'owner role sur le parent est visiteur, on peut accéder au fichier sans être connecté
-        if (RoleEnum::VISITEUR !== $parentDir->getOwnerRole()) {
-            $this->denyAccessUnlessGranted('ROLE_USER');
-
-            /**
-             * @var User $user
-             */
-            $user = $this->getUser();
-
-            if (!$this->isGranted('file_read', $parentDir)) {
-                throw $this->createNotFoundException("Vous n'avez pas le droit d'accéder à ce fichier !");
-            }
+        if (!$this->isGranted('file_read', $parentDir)) {
+            throw $this->createNotFoundException("Vous n'avez pas le droit d'accéder à ce fichier !");
         }
 
         $mimetype = $defaultAdapter->mimeType($file);
@@ -474,4 +469,50 @@ class FilesController extends AbstractController
 
         return str_replace('//', '/', $path);
     }
+
+    #[Route('/file-edit-permission/{parentDir}', name: 'file_edit_permission')]
+    #[IsGranted('ROLE_USER')]
+    public function fileRead(#[MapEntity(mapping: ['parentDir' => 'name'])] ParentDirectory $parentDir, Request $request): Response
+    {
+        /**
+         * @var User $user
+         */
+        $user = $this->getUser();
+
+        // 2 possibilités : soit l'utilisateur est le créateur du dossier, soit le dossier est public et l'utilisateur a le role Conseil d'administration
+        // Si ce n'est pas le cas, on redirige vers la page d'accueil
+        if ($parentDir->getUserCreated() !== $user) {
+            if ($parentDir->isPublic() && RoleEnum::CONSEIL_ADMINISTRATION !== $user->getFolderRole()) {
+                $this->addFlash('error', 'Vous n\'avez pas le droit de modifier les permissions de ce dossier.');
+                return $this->redirectToRoute('app_files_index');
+            } elseif (!$parentDir->isPublic()) {
+                $this->addFlash('error', 'Vous n\'avez pas le droit de modifier les permissions de ce dossier.');
+                return $this->redirectToRoute('app_files_index');
+            }
+        }
+
+        $form = $this->createForm(FilePermissionType::class, $parentDir);
+
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $datas = $form->getData();
+
+            foreach ($datas->getParentDirectoryPermissions() as $parentPerm) {
+                $this->entityManager->persist($parentPerm);
+            }
+            $this->entityManager->persist($datas);
+
+            $this->entityManager->flush();
+
+            $this->addFlash('success', 'Les permissions ont bien été modifiées.');
+
+            return $this->redirectToRoute('app_files_index');
+        }
+
+        return $this->render('files/file_edit.html.twig', [
+            'parentDir' => $parentDir,
+            'form' => $form->createView(),
+        ]);
+    }
 }
diff --git a/src/Enum/RoleEnum.php b/src/Enum/RoleEnum.php
index f621c4f..5d674e6 100644
--- a/src/Enum/RoleEnum.php
+++ b/src/Enum/RoleEnum.php
@@ -32,4 +32,22 @@ enum RoleEnum: string
 
         return $roles;
     }
+
+    public function getInferiorRoles(): array
+    {
+        $roles = [];
+
+        $isFound = false;
+        foreach (RoleEnum::cases() as $role) {
+            if ($role === $this) {
+                $isFound = true;
+            }
+
+            if ($isFound) {
+                $roles[] = $role;
+            }
+        }
+
+        return $roles;
+    }
 }
diff --git a/src/Form/FilePermissionType.php b/src/Form/FilePermissionType.php
new file mode 100644
index 0000000..05e57ab
--- /dev/null
+++ b/src/Form/FilePermissionType.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form;
+
+use App\Entity\ParentDirectory;
+use App\Entity\User;
+use App\Enum\RoleEnum;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\CollectionType;
+use Symfony\Component\Form\Extension\Core\Type\EnumType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class FilePermissionType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('ownerRole', EnumType::class, [
+                'class' => RoleEnum::class,
+                'label' => 'Rôle minimum',
+            ])
+            ->add('isPublic', null, [
+                'label' => 'Dossier public',
+            ])
+            ->add('parentDirectoryPermissions', CollectionType::class, [
+                'entry_type' => ParentDirectoryPermissionType::class,
+                'entry_options' => [
+                    'label' => false,
+                ],
+                'allow_add' => true,
+                'allow_delete' => true,
+                'by_reference' => false,
+            ])
+            ->add('submit', SubmitType::class, [
+                'label' => 'Enregistrer',
+            ])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => ParentDirectory::class,
+        ]);
+    }
+}
diff --git a/src/Form/ParentDirectoryPermissionType.php b/src/Form/ParentDirectoryPermissionType.php
new file mode 100644
index 0000000..df63647
--- /dev/null
+++ b/src/Form/ParentDirectoryPermissionType.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form;
+
+use App\Entity\ParentDirectory;
+use App\Entity\ParentDirectoryPermission;
+use App\Entity\User;
+use App\Enum\RoleEnum;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\EnumType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class ParentDirectoryPermissionType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('role', EnumType::class, [
+                'class' => RoleEnum::class,
+                'label' => 'Rôle',
+            ])
+            ->add('read', null, [
+                'label' => 'Lecture',
+            ])
+            ->add('write', null, [
+                'label' => 'Écriture',
+            ])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => ParentDirectoryPermission::class,
+        ]);
+    }
+}
diff --git a/src/Security/Voter/FileVoter.php b/src/Security/Voter/FileVoter.php
index 6501b39..f520b36 100644
--- a/src/Security/Voter/FileVoter.php
+++ b/src/Security/Voter/FileVoter.php
@@ -26,10 +26,16 @@ final class FileVoter extends Voter
          */
         $realSubject = $subject;
         $user = $token->getUser();
+
+        $parentDirectoryPermissionsVisiteurRead = array_filter($realSubject->getParentDirectoryPermissions()->toArray(), static fn (ParentDirectoryPermission $parentDirectoryPermission) => RoleEnum::VISITEUR === $parentDirectoryPermission->getRole());
+
+        if ([] !== $parentDirectoryPermissionsVisiteurRead && !($user instanceof User)) {
+            return 'file_read' === $attribute && array_values($parentDirectoryPermissionsVisiteurRead)[0]->isRead();
+        }
+
         if (!$user instanceof User) {
             return false;
         }
-
         $parentDirectoryPermissions = array_filter($realSubject->getParentDirectoryPermissions()->toArray(), static fn (ParentDirectoryPermission $parentDirectoryPermission) => $parentDirectoryPermission->getRole() === $user->getFolderRole());
 
         $parentDirectoryPermission = null;
diff --git a/templates/files/file_edit.html.twig b/templates/files/file_edit.html.twig
new file mode 100644
index 0000000..d333af0
--- /dev/null
+++ b/templates/files/file_edit.html.twig
@@ -0,0 +1,37 @@
+{% extends 'base.html.twig' %}
+
+{% block body %}
+    <div class="container mx-auto px-16 mt-4">
+        <div class="block p-6 bg-white border border-gray-200 rounded-lg shadow dark:bg-gray-800 dark:border-gray-700">
+            <h3 class="mb-2 text-2xl font-bold tracking-tight text-gray-900 dark:text-white">Gérer les permissions du dossier {{ parentDir.name }}</h3>
+            {{ form_start(form) }}
+            {{ form_row(form.ownerRole) }}
+            {{ form_row(form.isPublic) }}
+            {{ form_label(form.parentDirectoryPermissions) }}
+            {{ form_widget(form.parentDirectoryPermissions) }}
+                <button type="button" id="add-parentDirectoryPermissions" class="py-2.5 px-5 me-2 mb-2 text-sm font-medium text-gray-900 focus:outline-none bg-white rounded-lg border border-gray-200 hover:bg-gray-100 hover:text-blue-700 focus:z-10 focus:ring-4 focus:ring-gray-100 dark:focus:ring-gray-700 dark:bg-gray-800 dark:text-gray-400 dark:border-gray-600 dark:hover:text-white dark:hover:bg-gray-700">Ajouter</button>
+            {{ form_end(form) }}
+        </div>
+    </div>
+{% endblock %}
+
+{% block title %}
+    Gérer les permissions du dossier {{ parentDir.name }}
+{% endblock %}
+
+{% block javascripts %}
+    {{ parent() }}
+    <script>
+        document.addEventListener('readystatechange', (e) => {
+            if (document.readyState === "complete") {
+                document.querySelector('#add-parentDirectoryPermissions').addEventListener('click', function() {
+                    const container = document.querySelector('#file_permission_parentDirectoryPermissions');
+                    const prototype = container.dataset.prototype;
+                    const index = container.children.length;
+
+                    container.insertAdjacentHTML('beforeend', prototype.replace(/__name__/g, index));
+                });
+            }
+        })
+    </script>
+{% endblock %}
diff --git a/templates/files/index.html.twig b/templates/files/index.html.twig
index 353d6da..b40222d 100755
--- a/templates/files/index.html.twig
+++ b/templates/files/index.html.twig
@@ -80,6 +80,12 @@
                                     {% else %}
                                         {% set parentDirectory = parentDir %}
                                     {% endif %}
+
+                                    {% if parentDir == null and (parentDirectory.userCreated == app.user or (parentDirectory.isPublic and app.user.folderRole == enum('App\\Enum\\RoleEnum').CONSEIL_ADMINISTRATION)) %}
+                                        <a href="{{ path('app_files_file_edit_permission', {
+                                            parentDir: parentDirectory.name,
+                                        }) }}" class="hover:text-blue-700 duration-300" title="Permet de renommer le dossier"><twig:ux:icon class="w-6 h-6" name="fa6-solid:shield" /></a>
+                                    {% endif %}
                                     {% if is_granted('file_write', parentDirectory) %}
                                     <a href="{{ path('app_files_rename-directory', {
                                         path: file.path