diff --git a/segm/scripts/prepare_pcontext.py b/segm/scripts/prepare_pcontext.py
index 3aa27bc..9ca8634 100644
--- a/segm/scripts/prepare_pcontext.py
+++ b/segm/scripts/prepare_pcontext.py
@@ -47,7 +47,29 @@ def download_pcontext(path, overwrite=False):
         # extract
         if Path(filename).suffix == ".tar":
             with tarfile.open(filename) as tar:
-                tar.extractall(path=str(path))
+                
+                import os
+                
+                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, path=str(path))
         else:
             shutil.move(
                 filename,