diff --git a/typo3/sysext/core/Classes/TypoScript/IncludeTree/TreeFromLineStreamBuilder.php b/typo3/sysext/core/Classes/TypoScript/IncludeTree/TreeFromLineStreamBuilder.php
index d6e9d2a05e..84e1011c25 100644
--- a/typo3/sysext/core/Classes/TypoScript/IncludeTree/TreeFromLineStreamBuilder.php
+++ b/typo3/sysext/core/Classes/TypoScript/IncludeTree/TreeFromLineStreamBuilder.php
@@ -17,6 +17,7 @@ declare(strict_types=1);
 
 namespace TYPO3\CMS\Core\TypoScript\IncludeTree;
 
+use Symfony\Component\Finder\Finder;
 use TYPO3\CMS\Core\Resource\Security\FileNameValidator;
 use TYPO3\CMS\Core\TypoScript\IncludeTree\IncludeNode\AtImportInclude;
 use TYPO3\CMS\Core\TypoScript\IncludeTree\IncludeNode\ConditionElseInclude;
@@ -302,10 +303,7 @@ final class TreeFromLineStreamBuilder
                 $this->processAtImport($fileSuffix, $node, $atImportValueToken, $atImportLine, true);
                 return;
             }
-            if (!$directoryExists) {
-                // Absolute directory. There is nothing to import if the directory does not exist.
-                return;
-            }
+
             $filePattern = basename($absoluteFileName);
             if (!str_contains($filePattern, '*')) {
                 return;
@@ -317,18 +315,28 @@ final class TreeFromLineStreamBuilder
             } elseif (str_ends_with($filePattern, '*.' . $fileSuffix)) {
                 $filePattern = mb_substr($filePattern, 0, -1 * (strlen($fileSuffix) + 2));
             }
-            $filesAndDirs = scandir($directory);
-            foreach ($filesAndDirs as $potentialInclude) {
-                if (!str_starts_with($potentialInclude, $filePattern)
-                    || !str_ends_with($potentialInclude, '.' . $fileSuffix)
-                    || is_dir($directory . $potentialInclude)
-                    || !$this->fileNameValidator->isValid($directory . $potentialInclude)
-                ) {
+
+            try {
+                $finder = new Finder();
+                $finder
+                    // no recursive mode on purpose
+                    ->depth(0)
+                    // no directories should be fetched
+                    ->files()
+                    ->in($directory)
+                    ->name($filePattern)
+                    ->sortByName();
+            } catch (\InvalidArgumentException $e) {
+                return;
+            }
+
+            foreach ($finder as $fileObject) {
+                if (!$this->fileNameValidator->isValid($fileObject->getFilename())) {
                     continue;
                 }
-                $singleAbsoluteFileName = $directory . $potentialInclude;
-                $identifier = rtrim(dirname($atImportValue), '/') . '/' . $potentialInclude;
-                $this->addSingleAtImportFile($node, $singleAbsoluteFileName, $identifier, $atImportLine);
+
+                $identifier = rtrim(dirname($atImportValue), '/') . '/' . $fileObject->getFilename();
+                $this->addSingleAtImportFile($node, $fileObject->getPathname(), $identifier, $atImportLine);
                 $this->addStaticMagicFromGlobals($node, $identifier);
             }
         } elseif (!$tryRelative) {