diff --git a/app/Http/Controllers/UploadController.php b/app/Http/Controllers/UploadController.php
index 93847589a..895564caa 100644
--- a/app/Http/Controllers/UploadController.php
+++ b/app/Http/Controllers/UploadController.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers;
 
+use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 use Illuminate\Http\Request;
 use Illuminate\Http\UploadedFile;
 use Illuminate\Routing\Controller as BaseController;
@@ -11,6 +12,8 @@
 
 class UploadController extends BaseController
 {
+    use AuthorizesRequests;
+
     public function upload(Request $request)
     {
         $databaseIdentifier = request()->route('databaseUuid');
@@ -18,6 +21,9 @@ public function upload(Request $request)
         if (is_null($resource)) {
             return response()->json(['error' => 'You do not have permission for this database'], 500);
         }
+
+        $this->authorize('uploadBackup', $resource);
+
         $receiver = new FileReceiver('file', $request, HandlerFactory::classFromRequest($request));
 
         if ($receiver->isUploaded() === false) {
diff --git a/app/Policies/ApplicationPolicy.php b/app/Policies/ApplicationPolicy.php
index 7a992f2fd..1a1290b55 100644
--- a/app/Policies/ApplicationPolicy.php
+++ b/app/Policies/ApplicationPolicy.php
@@ -78,6 +78,24 @@ public function forceDelete(User $user, Application $application): bool
         return false;
     }
 
+    /**
+     * Determine whether the user can upload a backup archive for this application.
+     */
+    public function uploadBackup(User $user, Application $application): Response
+    {
+        $teamId = $this->getTeamId($application);
+
+        if ($teamId === null) {
+            return Response::deny('Application team not found.');
+        }
+
+        if ($user->isAdminOfTeam($teamId)) {
+            return Response::allow();
+        }
+
+        return Response::deny('You need at least admin or owner permissions to upload backups for this application.');
+    }
+
     /**
      * Determine whether the user can deploy the application.
      */
diff --git a/app/Policies/DatabasePolicy.php b/app/Policies/DatabasePolicy.php
index f62ffdde2..4217432b5 100644
--- a/app/Policies/DatabasePolicy.php
+++ b/app/Policies/DatabasePolicy.php
@@ -87,6 +87,24 @@ public function manage(User $user, $database): bool
         return $teamId !== null && $user->isAdminOfTeam($teamId);
     }
 
+    /**
+     * Determine whether the user can upload a backup archive for this database.
+     */
+    public function uploadBackup(User $user, $database): Response
+    {
+        $teamId = $this->getTeamId($database);
+
+        if ($teamId === null) {
+            return Response::deny('Database team not found.');
+        }
+
+        if ($user->isAdminOfTeam($teamId)) {
+            return Response::allow();
+        }
+
+        return Response::deny('You need at least admin or owner permissions to upload backups for this database.');
+    }
+
     /**
      * Determine whether the user can manage database backups.
      */
diff --git a/app/Policies/ServiceDatabasePolicy.php b/app/Policies/ServiceDatabasePolicy.php
index e5cbe91a0..e94658e29 100644
--- a/app/Policies/ServiceDatabasePolicy.php
+++ b/app/Policies/ServiceDatabasePolicy.php
@@ -63,4 +63,12 @@ public function manageBackups(User $user, ServiceDatabase $serviceDatabase): boo
     {
         return Gate::allows('update', $serviceDatabase->service);
     }
+
+    /**
+     * Determine whether the user can upload a backup archive for this service database.
+     */
+    public function uploadBackup(User $user, ServiceDatabase $serviceDatabase): bool
+    {
+        return Gate::allows('uploadBackup', $serviceDatabase->service);
+    }
 }
diff --git a/app/Policies/ServicePolicy.php b/app/Policies/ServicePolicy.php
index d48728cdf..6ca79b42a 100644
--- a/app/Policies/ServicePolicy.php
+++ b/app/Policies/ServicePolicy.php
@@ -89,6 +89,16 @@ public function manageEnvironment(User $user, Service $service): bool
         return $teamId !== null && $user->isAdminOfTeam($teamId);
     }
 
+    /**
+     * Determine whether the user can upload a backup archive for a database within this service.
+     */
+    public function uploadBackup(User $user, Service $service): bool
+    {
+        $teamId = $this->getTeamId($service);
+
+        return $teamId !== null && $user->isAdminOfTeam($teamId);
+    }
+
     /**
      * Determine whether the user can deploy the service.
      */
diff --git a/tests/Feature/Authorization/UploadBackupAuthorizationTest.php b/tests/Feature/Authorization/UploadBackupAuthorizationTest.php
new file mode 100644
index 000000000..126e6ef52
--- /dev/null
+++ b/tests/Feature/Authorization/UploadBackupAuthorizationTest.php
@@ -0,0 +1,186 @@
+<?php
+
+use App\Models\Application;
+use App\Models\InstanceSettings;
+use App\Models\Project;
+use App\Models\Server;
+use App\Models\Service;
+use App\Models\ServiceDatabase;
+use App\Models\StandaloneDocker;
+use App\Models\StandalonePostgresql;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\Str;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    InstanceSettings::updateOrCreate(['id' => 0]);
+
+    $this->team = Team::factory()->create();
+
+    $this->admin = User::factory()->create();
+    $this->admin->teams()->attach($this->team, ['role' => 'admin']);
+
+    $this->member = User::factory()->create();
+    $this->member->teams()->attach($this->team, ['role' => 'member']);
+
+    $keyId = DB::table('private_keys')->insertGetId([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'Test Key',
+        'private_key' => 'test-key',
+        'team_id' => $this->team->id,
+        'created_at' => now(),
+        'updated_at' => now(),
+    ]);
+
+    $this->server = Server::factory()->create([
+        'team_id' => $this->team->id,
+        'private_key_id' => $keyId,
+    ]);
+
+    StandaloneDocker::withoutEvents(function () {
+        $this->destination = StandaloneDocker::firstOrCreate(
+            ['server_id' => $this->server->id, 'network' => 'coolify'],
+            ['uuid' => (string) Str::uuid(), 'name' => 'test-docker']
+        );
+    });
+
+    $this->project = Project::create([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'Test Project',
+        'team_id' => $this->team->id,
+    ]);
+
+    $this->environment = $this->project->environments()->first();
+
+    $this->database = StandalonePostgresql::create([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'Test DB',
+        'postgres_user' => 'postgres',
+        'postgres_password' => 'password',
+        'postgres_db' => 'testdb',
+        'image' => 'postgres:15',
+        'status' => 'running',
+        'environment_id' => $this->environment->id,
+        'destination_id' => $this->destination->id,
+        'destination_type' => $this->destination->getMorphClass(),
+    ]);
+
+    $this->application = Application::factory()->create([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'Test App',
+        'environment_id' => $this->environment->id,
+        'destination_id' => $this->destination->id,
+        'destination_type' => $this->destination->getMorphClass(),
+        'status' => 'running',
+    ]);
+
+    $this->service = Service::create([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'test-service',
+        'environment_id' => $this->environment->id,
+        'destination_id' => $this->destination->id,
+        'destination_type' => $this->destination->getMorphClass(),
+        'docker_compose_raw' => 'version: "3"',
+    ]);
+
+    $this->serviceDatabase = ServiceDatabase::create([
+        'uuid' => (string) Str::uuid(),
+        'name' => 'test-service-db',
+        'service_id' => $this->service->id,
+    ]);
+});
+
+// --- DatabasePolicy::uploadBackup (covers Standalone* databases) ---
+
+test('admin can upload backup for standalone database', function () {
+    expect($this->admin->can('uploadBackup', $this->database))->toBeTrue();
+});
+
+test('member cannot upload backup for standalone database', function () {
+    expect($this->member->can('uploadBackup', $this->database))->toBeFalse();
+});
+
+// --- ApplicationPolicy::uploadBackup ---
+
+test('admin can upload backup for application', function () {
+    expect($this->admin->can('uploadBackup', $this->application))->toBeTrue();
+});
+
+test('member cannot upload backup for application', function () {
+    expect($this->member->can('uploadBackup', $this->application))->toBeFalse();
+});
+
+// --- ServicePolicy::uploadBackup ---
+
+test('admin can upload backup for service', function () {
+    expect($this->admin->can('uploadBackup', $this->service))->toBeTrue();
+});
+
+test('member cannot upload backup for service', function () {
+    expect($this->member->can('uploadBackup', $this->service))->toBeFalse();
+});
+
+// --- ServiceDatabasePolicy::uploadBackup (delegates to ServicePolicy) ---
+
+test('admin can upload backup for service database', function () {
+    expect($this->admin->can('uploadBackup', $this->serviceDatabase))->toBeTrue();
+});
+
+test('member cannot upload backup for service database', function () {
+    expect($this->member->can('uploadBackup', $this->serviceDatabase))->toBeFalse();
+});
+
+// --- Cross-team isolation ---
+
+test('user from different team cannot upload backup', function () {
+    $otherTeam = Team::factory()->create();
+    $otherUser = User::factory()->create();
+    $otherUser->teams()->attach($otherTeam, ['role' => 'admin']);
+
+    expect($otherUser->can('uploadBackup', $this->database))->toBeFalse();
+    expect($otherUser->can('uploadBackup', $this->application))->toBeFalse();
+    expect($otherUser->can('uploadBackup', $this->service))->toBeFalse();
+    expect($otherUser->can('uploadBackup', $this->serviceDatabase))->toBeFalse();
+});
+
+// --- HTTP endpoint: POST /upload/backup/{uuid} ---
+
+test('member gets 403 from POST /upload/backup and no file lands on disk', function () {
+    $uploadDir = storage_path('app/upload/'.$this->database->uuid);
+    if (File::exists($uploadDir)) {
+        File::deleteDirectory($uploadDir);
+    }
+
+    $this->actingAs($this->member);
+    session(['currentTeam' => $this->team]);
+
+    $response = $this->post(route('upload.backup', ['databaseUuid' => $this->database->uuid]));
+
+    $response->assertForbidden();
+
+    expect(File::exists($uploadDir.'/restore'))->toBeFalse();
+});
+
+test('user from different team hits null-resource branch with 500', function () {
+    $otherTeam = Team::factory()->create();
+    $otherUser = User::factory()->create();
+    $otherUser->teams()->attach($otherTeam, ['role' => 'admin']);
+
+    $this->actingAs($otherUser);
+    session(['currentTeam' => $otherTeam]);
+
+    $response = $this->post(route('upload.backup', ['databaseUuid' => $this->database->uuid]));
+
+    $response->assertStatus(500);
+});
+
+test('unauthenticated request is redirected to login', function () {
+    $response = $this->post(route('upload.backup', ['databaseUuid' => $this->database->uuid]));
+
+    $response->assertRedirect('/login');
+});