diff --git a/changelogs/fragments/66268-cyberarkpassword-fix-invalid-attr.yaml b/changelogs/fragments/66268-cyberarkpassword-fix-invalid-attr.yaml
new file mode 100644
index 00000000000..def52ef019b
--- /dev/null
+++ b/changelogs/fragments/66268-cyberarkpassword-fix-invalid-attr.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+  - cyberarkpassword - fix invalid attribute access (https://github.com/ansible/ansible/issues/66268)
diff --git a/lib/ansible/plugins/lookup/cyberarkpassword.py b/lib/ansible/plugins/lookup/cyberarkpassword.py
index 0ca442061fd..f385c8e8ede 100644
--- a/lib/ansible/plugins/lookup/cyberarkpassword.py
+++ b/lib/ansible/plugins/lookup/cyberarkpassword.py
@@ -121,7 +121,7 @@ class CyberarkPassword:
                 '-p', 'AppDescs.AppID=%s' % self.appid,
                 '-p', 'Query=%s' % self.query,
                 '-o', self.output,
-                '-d', self.delimiter]
+                '-d', self.b_delimiter]
             all_parms.extend(self.extra_parms)
 
             b_credential = b""