[5.x] Throw 404 on collection routes if taxonomy isn’t assigned to collection

src/Taxonomies/LocalizedTerm.php

@@ -375,6 +375,10 @@ public function toResponse($request)
             throw new NotFoundHttpException;
         }
 
+        if ($this->collection() && ! $this->taxonomy()->collections()->contains($this->collection())) {
+            throw new NotFoundHttpException;
+        }
+
         return (new DataResponse($this))->toResponse($request);
     }
 

src/Taxonomies/Taxonomy.php

@@ -381,6 +381,10 @@ public function toResponse($request)
             throw new NotFoundHttpException;
         }
 
+        if ($this->collection() && ! $this->collections()->contains($this->collection())) {
+            throw new NotFoundHttpException;
+        }
+
         return (new \Statamic\Http\Responses\DataResponse($this))
             ->with([
                 'terms' => $termQuery = $this->queryTerms()->where('site', $site),

tests/Data/Taxonomies/ViewsTest.php

@@ -139,6 +139,18 @@ public function the_collection_specific_taxonomy_url_404s_if_the_view_doesnt_exi
         $this->get('/the-blog/tags/test')->assertNotFound();
     }
 
+    #[Test]
+    public function the_collection_specific_taxonomy_url_404s_if_the_collection_is_not_configured()
+    {
+        $this->mountBlogPageToBlogCollection();
+
+        $this->viewShouldReturnRaw('blog.tags.index', '{{ title }} index');
+
+        $this->blogCollection->taxonomies([])->save();
+
+        $this->get('/the-blog/tags')->assertNotFound();
+    }
+
     #[Test]
     public function it_loads_the_collection_specific_taxonomy_url_if_the_view_exists()
     {
@@ -157,6 +169,18 @@ public function the_collection_specific_term_url_404s_if_the_view_doesnt_exist()
         $this->get('/the-blog/tags/test')->assertNotFound();
     }
 
+    #[Test]
+    public function the_collection_specific_term_url_404s_if_the_collection_is_not_assigned_to_the_taxonomy()
+    {
+        $this->mountBlogPageToBlogCollection();
+
+        $this->viewShouldReturnRaw('blog.tags.show', 'showing {{ title }}');
+
+        $this->blogCollection->taxonomies([])->save();
+
+        $this->get('/the-blog/tags/test')->assertNotFound();
+    }
+
     #[Test]
     public function it_loads_the_collection_specific_term_url_if_the_view_exists()
     {