diff --git a/ProcessMaker/Http/Controllers/Api/ProcessRequestController.php b/ProcessMaker/Http/Controllers/Api/ProcessRequestController.php
index 6508bba81b..54d50f1f1f 100644
--- a/ProcessMaker/Http/Controllers/Api/ProcessRequestController.php
+++ b/ProcessMaker/Http/Controllers/Api/ProcessRequestController.php
@@ -32,6 +32,7 @@
 use ProcessMaker\Models\ProcessRequest;
 use ProcessMaker\Models\ProcessRequestToken;
 use ProcessMaker\Models\User;
+use ProcessMaker\Nayra\Contracts\Bpmn\ActivityInterface;
 use ProcessMaker\Nayra\Contracts\Bpmn\CatchEventInterface;
 use ProcessMaker\Notifications\ProcessCanceledNotification;
 use ProcessMaker\Query\SyntaxError;
@@ -609,6 +610,19 @@ private function cancelRequestToken(ProcessRequest $request)
         // Close process request
         $request->status = 'CANCELED';
         $request->save();
+
+        // Close any token still open after status is CANCELED (race: task submit commits after CancelRequest job).
+        ProcessRequestToken::query()
+            ->where('process_request_id', $request->getKey())
+            ->where('status', '!=', ActivityInterface::TOKEN_STATE_CLOSED)
+            ->update([
+                'status' => ActivityInterface::TOKEN_STATE_CLOSED,
+                'completed_at' => now(),
+                'due_at' => null,
+                'riskchanges_at' => null,
+                'user_id' => null,
+            ]);
+
         // Update case status
         CaseUpdateStatus::dispatchSync($request);
 
diff --git a/ProcessMaker/Jobs/CancelRequest.php b/ProcessMaker/Jobs/CancelRequest.php
index d7a829c29d..fb154344bf 100644
--- a/ProcessMaker/Jobs/CancelRequest.php
+++ b/ProcessMaker/Jobs/CancelRequest.php
@@ -2,9 +2,12 @@
 
 namespace ProcessMaker\Jobs;
 
+use Carbon\Carbon;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Support\Facades\Notification;
 use ProcessMaker\Models\ProcessRequest;
+use ProcessMaker\Models\ProcessRequestToken;
+use ProcessMaker\Nayra\Contracts\Bpmn\ActivityInterface;
 use ProcessMaker\Notifications\ProcessCanceledNotification;
 use ProcessMaker\Repositories\ExecutionInstanceRepository;
 use ProcessMaker\Repositories\TokenRepository;
@@ -49,5 +52,18 @@ public function action(ProcessRequest $instance)
         foreach ($instance->getTokens()->toArray() as $token) {
             $tokenRepo->store($token);
         }
+
+        // Tokens created after the in-memory snapshot (e.g. another user submits a task while
+        // cancel is confirmed) must still be closed so no ACTIVE task remains on a CANCELED request.
+        ProcessRequestToken::query()
+            ->where('process_request_id', $instance->getKey())
+            ->where('status', '!=', ActivityInterface::TOKEN_STATE_CLOSED)
+            ->update([
+                'status' => ActivityInterface::TOKEN_STATE_CLOSED,
+                'completed_at' => Carbon::now(),
+                'due_at' => null,
+                'riskchanges_at' => null,
+                'user_id' => null,
+            ]);
     }
 }
diff --git a/ProcessMaker/Jobs/RunNayraScriptTask.php b/ProcessMaker/Jobs/RunNayraScriptTask.php
index ceea72f896..bc4fec29a5 100644
--- a/ProcessMaker/Jobs/RunNayraScriptTask.php
+++ b/ProcessMaker/Jobs/RunNayraScriptTask.php
@@ -36,7 +36,7 @@ class RunNayraScriptTask implements ShouldQueue
     /**
      * Create a new job instance.
      *
-     * @param \ProcessMaker\Models\ProcessRequestToken $token
+     * @param ProcessRequestToken $token
      * @param array $data
      */
     public function __construct(TokenInterface $token)
diff --git a/tests/Feature/Api/ProcessRequestsTest.php b/tests/Feature/Api/ProcessRequestsTest.php
index f216acd653..930805cead 100644
--- a/tests/Feature/Api/ProcessRequestsTest.php
+++ b/tests/Feature/Api/ProcessRequestsTest.php
@@ -15,6 +15,7 @@
 use ProcessMaker\Models\ProcessRequest;
 use ProcessMaker\Models\ProcessRequestToken;
 use ProcessMaker\Models\User;
+use ProcessMaker\Nayra\Contracts\Bpmn\ActivityInterface;
 use Tests\Feature\Shared\RequestHelper;
 use Tests\TestCase;
 
@@ -524,6 +525,82 @@ public function testCancelRequestWithPermissions()
         $response->assertStatus(204);
     }
 
+    /**
+     * Canceling a request must leave no non-CLOSED tokens (bulk close in CancelRequest + controller).
+     */
+    public function testCancelProcessRequestClosesAllActiveTokens(): void
+    {
+        $request = ProcessRequest::factory()->create([
+            'status' => 'ACTIVE',
+        ]);
+
+        ProcessRequestToken::factory()->count(2)->create([
+            'process_request_id' => $request->id,
+            'process_id' => $request->process_id,
+            'status' => 'ACTIVE',
+            'user_id' => $this->user->id,
+            'completed_at' => null,
+        ]);
+
+        $route = route('api.requests.update', [$request->id]);
+        $response = $this->apiCall('PUT', $route, ['status' => 'CANCELED']);
+
+        $response->assertStatus(204);
+
+        $request->refresh();
+        $this->assertSame('CANCELED', $request->status);
+
+        $openCount = ProcessRequestToken::query()
+            ->where('process_request_id', $request->id)
+            ->where('status', '!=', ActivityInterface::TOKEN_STATE_CLOSED)
+            ->count();
+
+        $this->assertSame(0, $openCount);
+    }
+
+    /**
+     * A token created on an already-canceled request (e.g. race with task completion) is closed on a second cancel.
+     */
+    public function testCancelProcessRequestSecondSweepClosesStrayToken(): void
+    {
+        $request = ProcessRequest::factory()->create([
+            'status' => 'ACTIVE',
+        ]);
+
+        ProcessRequestToken::factory()->create([
+            'process_request_id' => $request->id,
+            'process_id' => $request->process_id,
+            'status' => 'ACTIVE',
+            'user_id' => $this->user->id,
+            'completed_at' => null,
+        ]);
+
+        $route = route('api.requests.update', [$request->id]);
+        $this->apiCall('PUT', $route, ['status' => 'CANCELED'])->assertStatus(204);
+
+        $request->refresh();
+        $this->assertSame('CANCELED', $request->status);
+
+        ProcessRequestToken::factory()->create([
+            'process_request_id' => $request->id,
+            'process_id' => $request->process_id,
+            'status' => 'ACTIVE',
+            'user_id' => $this->user->id,
+            'completed_at' => null,
+            'element_id' => 'stray_after_cancel',
+            'element_type' => 'task',
+        ]);
+
+        $this->apiCall('PUT', $route, ['status' => 'CANCELED'])->assertStatus(204);
+
+        $openCount = ProcessRequestToken::query()
+            ->where('process_request_id', $request->id)
+            ->where('status', '!=', ActivityInterface::TOKEN_STATE_CLOSED)
+            ->count();
+
+        $this->assertSame(0, $openCount);
+    }
+
     /**
      * Test ability to complete a request if it has the status: ERROR
      */