diff --git a/final-project-challenge-1-deepskull-main/case_level/monai/networks/nets/transchex.py b/final-project-challenge-1-deepskull-main/case_level/monai/networks/nets/transchex.py
index 7b3afe3..f6c44f0 100644
--- a/final-project-challenge-1-deepskull-main/case_level/monai/networks/nets/transchex.py
+++ b/final-project-challenge-1-deepskull-main/case_level/monai/networks/nets/transchex.py
@@ -72,7 +72,26 @@ def from_pretrained(
         else:
             tempdir = tempfile.mkdtemp()
             with tarfile.open(resolved_archive_file, "r:gz") as archive:
-                archive.extractall(tempdir)
+                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(archive, tempdir)
             serialization_dir = tempdir
         model = cls(num_language_layers, num_vision_layers, num_mixed_layers, bert_config, *inputs, **kwargs)
         if state_dict is None and not from_tf: