diff --git a/symfony/framework-bundle/3.3/public/index.php b/symfony/framework-bundle/3.3/public/index.php
index 7e5d9e9b..8856cb13 100644
--- a/symfony/framework-bundle/3.3/public/index.php
+++ b/symfony/framework-bundle/3.3/public/index.php
@@ -19,15 +19,15 @@ $env = $_SERVER['APP_ENV'] ?? $_ENV['APP_ENV'] ?? 'dev';
 $debug = (bool) ($_SERVER['APP_DEBUG'] ?? $_ENV['APP_DEBUG'] ?? ('prod' !== $env));
 
 if ($debug) {
-    // Compatibility with the built-in PHP web server
-    if ('/index.php' !== $_SERVER['SCRIPT_NAME'] && is_file(__DIR__.$_SERVER['SCRIPT_NAME'])) {
-        return false;
-    }
     umask(0000);
 
     Debug::enable();
 }
 
+if (PHP_SAPI === 'cli-server' && '/index.php' !== $_SERVER['SCRIPT_NAME'] && is_file(__DIR__.                 $_SERVER['SCRIPT_NAME'])) {
+    return false;
+}
+
 if ($trustedProxies = $_SERVER['TRUSTED_PROXIES'] ?? $_ENV['TRUSTED_PROXIES'] ?? false) {
     Request::setTrustedProxies(explode(',', $trustedProxies), Request::HEADER_X_FORWARDED_ALL ^ Request::HEADER_X_FORWARDED_HOST);
 }
diff --git a/symfony/framework-bundle/4.2/public/index.php b/symfony/framework-bundle/4.2/public/index.php
index 6a6b9202..81cc5e26 100644
--- a/symfony/framework-bundle/4.2/public/index.php
+++ b/symfony/framework-bundle/4.2/public/index.php
@@ -19,15 +19,15 @@ $env = $_SERVER['APP_ENV'] ?? $_ENV['APP_ENV'] ?? 'dev';
 $debug = (bool) ($_SERVER['APP_DEBUG'] ?? $_ENV['APP_DEBUG'] ?? ('prod' !== $env));
 
 if ($debug) {
-    // Compatibility with the built-in PHP web server
-    if ('/index.php' !== $_SERVER['SCRIPT_NAME'] && is_file(__DIR__.$_SERVER['SCRIPT_NAME'])) {
-        return false;
-    }
     umask(0000);
 
     Debug::enable();
 }
 
+if (PHP_SAPI === 'cli-server' && '/index.php' !== $_SERVER['SCRIPT_NAME'] && is_file(__DIR__.                 $_SERVER['SCRIPT_NAME'])) {
+    return false;
+}
+
 if ($trustedProxies = $_SERVER['TRUSTED_PROXIES'] ?? $_ENV['TRUSTED_PROXIES'] ?? false) {
     Request::setTrustedProxies(explode(',', $trustedProxies), Request::HEADER_X_FORWARDED_ALL ^ Request::HEADER_X_FORWARDED_HOST);
 }