diff --git a/datasink/datasink.py b/datasink/datasink.py
index 289d262..e873026 100644
--- a/datasink/datasink.py
+++ b/datasink/datasink.py
@@ -99,7 +99,26 @@ def xfer_file(work_unit, fn_ack):
                         extract_dir = dst_dir
                     # unpack tar file
                     with tarfile.open(dst_path, 'r') as tar_f:
-                        tar_f.extractall(path=extract_dir)
+                        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_f, path=extract_dir)
                     # & remove tarball
                     os.remove(dst_path)
                 else: