diff --git a/changelog/31150.txt b/changelog/31150.txt
new file mode 100644
index 0000000000..fcdd2fbe68
--- /dev/null
+++ b/changelog/31150.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+ui: Fixes UI login settings list page which was not rendering rules with an underscore in the name.
+```
\ No newline at end of file
diff --git a/ui/app/app.js b/ui/app/app.js
index 863b96d6b6..a8f2064b6c 100644
--- a/ui/app/app.js
+++ b/ui/app/app.js
@@ -24,6 +24,7 @@ export default class App extends Application {
           'version',
           'custom-messages',
           'api',
+          'store',
           'capabilities',
         ],
       },
diff --git a/ui/lib/config-ui/addon/components/login-settings/page/list.hbs b/ui/lib/config-ui/addon/components/login-settings/page/list.hbs
index 0e0e7a11bf..79a447a10a 100644
--- a/ui/lib/config-ui/addon/components/login-settings/page/list.hbs
+++ b/ui/lib/config-ui/addon/components/login-settings/page/list.hbs
@@ -29,9 +29,9 @@
               {{rule.name}}
             </Hds::Text::Display>
             <div class="has-top-margin-m">
-              {{rule.namespacePath}}
+              {{rule.namespace_path}}
               <Hds::Badge
-                @text="Inheritance {{if rule.disableInheritance 'disabled' 'enabled'}}"
+                @text="Inheritance {{if rule.disable_inheritance 'disabled' 'enabled'}}"
                 class="has-left-margin-xxs"
               />
             </div>
diff --git a/ui/lib/config-ui/addon/engine.js b/ui/lib/config-ui/addon/engine.js
index 6f2a9e9de9..ddb7d4912c 100644
--- a/ui/lib/config-ui/addon/engine.js
+++ b/ui/lib/config-ui/addon/engine.js
@@ -25,6 +25,7 @@ export default class ConfigUiEngine extends Engine {
       'version',
       'custom-messages',
       'api',
+      'store',
       'capabilities',
     ],
   };
diff --git a/ui/lib/config-ui/addon/routes/login-settings/index.js b/ui/lib/config-ui/addon/routes/login-settings/index.js
index 1c7d41e926..1c9f065804 100644
--- a/ui/lib/config-ui/addon/routes/login-settings/index.js
+++ b/ui/lib/config-ui/addon/routes/login-settings/index.js
@@ -8,20 +8,23 @@ import { service } from '@ember/service';
 
 export default class LoginSettingsRoute extends Route {
   @service api;
+  @service store;
 
   async model() {
+    const adapter = this.store.adapterFor('application');
     try {
-      const res = await this.api.sys.uiLoginDefaultAuthList(true);
-      const loginRules = this.api.keyInfoToArray({ keyInfo: res.keyInfo, keys: res.keys });
+      const { data } = await adapter.ajax('/v1/sys/config/ui/login/default-auth', 'GET', {
+        data: { list: true },
+      });
+      const loginRules = this.api.keyInfoToArray({ keyInfo: data.key_info, keys: data.keys });
       return { loginRules };
     } catch (e) {
-      const error = await this.api.parseError(e);
-      if (error.status === 404) {
+      if (e.httpStatus === 404) {
         // If no login settings exist, return an empty array to render the empty state
         return { loginRules: [] };
       }
       // Otherwise fallback to the standard error template
-      throw error;
+      throw e;
     }
   }
 }
diff --git a/ui/tests/acceptance/config-ui/login-settings-test.js b/ui/tests/acceptance/config-ui/login-settings-test.js
index 87a55cb80e..5d4c174faa 100644
--- a/ui/tests/acceptance/config-ui/login-settings-test.js
+++ b/ui/tests/acceptance/config-ui/login-settings-test.js
@@ -47,7 +47,11 @@ module('Acceptance | Enterprise | config-ui/login-settings', function (hooks) {
   test('it falls back error template if no permission', async function (assert) {
     this.server.get('/sys/config/ui/login/default-auth', () => overrideResponse(403));
     await visit('vault/config-ui/login-settings');
-    assert.dom(GENERAL.pageError.error).hasText('Error permission denied');
+    assert
+      .dom(GENERAL.pageError.error)
+      .hasText(
+        'Not authorized You are not authorized to access content at /v1/sys/config/ui/login/default-auth.'
+      );
   });
 
   module('list, read and delete', function (hooks) {