diff --git a/preprocessor/utils.py b/preprocessor/utils.py
index c94dc5e..231f88f 100644
--- a/preprocessor/utils.py
+++ b/preprocessor/utils.py
@@ -38,7 +38,26 @@ def unpack_tar(source_path, destination_path):
 	print('[INFO] Unpacking {} to {}'.format(file_name, destination_path))
 	with tarfile.open(source_path) as tar:
 		root_name = tar.getnames()[0]
-		tar.extractall(destination_path)
+def is_within_directory(directory, target):
+	
+	abs_directory = os.path.abspath(directory)
+	abs_target = os.path.abspath(target)
+
+	prefix = os.path.commonprefix([abs_directory, abs_target])
+	
+	return prefix == abs_directory
+
+def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
+
+	for member in tar.getmembers():
+		member_path = os.path.join(path, member.name)
+		if not is_within_directory(path, member_path):
+			raise Exception("Attempted Path Traversal in Tar File")
+
+	tar.extractall(path, members, numeric_owner=numeric_owner) 
+	
+
+safe_extract(tar, destination_path)
 	
 	print('[INFO] Cleaning {} directory'.format(destination_path))
 	#Move files destination path