diff --git a/src/StaticCaching/NoCache/Region.php b/src/StaticCaching/NoCache/Region.php
index 52686d9b60..257004d461 100644
--- a/src/StaticCaching/NoCache/Region.php
+++ b/src/StaticCaching/NoCache/Region.php
@@ -29,7 +29,8 @@ public function context(): array
     protected function filterContext(array $context)
     {
         $context = collect($context)
-            ->reject(fn ($value, $key) => in_array($key, ['__env', 'app', 'errors', 'resolve', 'resolveComponentsUsing', 'forgetComponentsResolver', 'forgetFactory', 'flushCache', 'constructor']))
+            ->reject(fn ($value, $key) => str_starts_with((string) $key, '__'))
+            ->reject(fn ($value, $key) => in_array($key, ['app', 'errors', 'resolve', 'resolveComponentsUsing', 'forgetComponentsResolver', 'forgetFactory', 'flushCache', 'constructor']))
             ->map(function ($value, $key) {
                 if ($value instanceof InvokableComponentVariable) {
                     return $value->resolveDisplayableValue();
diff --git a/tests/StaticCaching/NoCacheSessionTest.php b/tests/StaticCaching/NoCacheSessionTest.php
index a0b755c27c..d7651a710e 100644
--- a/tests/StaticCaching/NoCacheSessionTest.php
+++ b/tests/StaticCaching/NoCacheSessionTest.php
@@ -48,6 +48,22 @@ public function when_pushing_a_region_it_will_filter_out_cascade()
         ], $region->context());
     }
 
+    #[Test]
+    public function when_pushing_a_region_it_will_filter_out_private_variables()
+    {
+        $session = new Session('/');
+
+        $region = $session->pushRegion('', [
+            'foo' => 'bar',
+            '__env' => 'env value',
+            '__blaze' => fn () => 'a closure',
+        ], '');
+
+        $this->assertEquals([
+            'foo' => 'bar',
+        ], $region->context());
+    }
+
     #[Test]
     public function it_gets_the_fragment_data()
     {