diff --git a/prepare.py b/prepare.py
index e5f1357..8fb52df 100644
--- a/prepare.py
+++ b/prepare.py
@@ -54,7 +54,26 @@
 # Extraction
 print("Extracting files to {}".format(outdir))
 with tarfile.open(outfile, "r") as t:
-  t.extractall(outdir)
+  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(t, outdir)
 
 # Cleanup
 if not args.keep_archive: