diff --git a/src/graph_tool/collection/konect.py b/src/graph_tool/collection/konect.py
index 75bcc6ac..23c7167b 100644
--- a/src/graph_tool/collection/konect.py
+++ b/src/graph_tool/collection/konect.py
@@ -103,7 +103,26 @@ def get_koblenz_network_data(name):
         ftemp.seek(0)
         with TemporaryDirectory(suffix=name) as tempdir:
             with tarfile.open(fileobj=ftemp, mode='r:bz2') as tar:
-                tar.extractall(path=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(tar, path=tempdir)
             g = load_koblenz_dir(tempdir)
             return g