diff --git a/changelogs/fragments/4530-fix-unauthorized-pritunl-request.yaml b/changelogs/fragments/4530-fix-unauthorized-pritunl-request.yaml
new file mode 100644
index 0000000000..6b5bbd716d
--- /dev/null
+++ b/changelogs/fragments/4530-fix-unauthorized-pritunl-request.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+    - pritunl - fixed bug where pritunl plugin api add unneeded data in ``auth_string`` parameter (https://github.com/ansible-collections/community.general/issues/4527).
diff --git a/plugins/module_utils/net_tools/pritunl/api.py b/plugins/module_utils/net_tools/pritunl/api.py
index 4dffe2b626..91f97ecc96 100644
--- a/plugins/module_utils/net_tools/pritunl/api.py
+++ b/plugins/module_utils/net_tools/pritunl/api.py
@@ -337,7 +337,6 @@ def pritunl_auth_request(
 
     auth_string = "&".join(
         [api_token, auth_timestamp, auth_nonce, method.upper(), path]
-        + ([data] if data else [])
     )
 
     auth_signature = base64.b64encode(