diff --git a/cypress/styleguide/global.requires.js b/cypress/styleguide/global.requires.js
index dc1235eab9..66e2cdb5c8 100644
--- a/cypress/styleguide/global.requires.js
+++ b/cypress/styleguide/global.requires.js
@@ -7,6 +7,9 @@ import 'core-js/stable'
 
 import axios from '@nextcloud/axios'
 
+// Match Nextcloud's root install path so router helpers do not infer Cypress' /__cypress iframe path.
+window._oc_webroot = ''
+
 const USER_GROUPS = [
 	{ id: 'admin', displayname: 'The administrators' },
 	{ id: 'accounting', displayname: 'Accounting team' },
diff --git a/package-lock.json b/package-lock.json
index 56a305f6ac..98cd5f9a16 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,7 +47,7 @@
         "@nextcloud/vite-config": "^2.5.4",
         "@playwright/test": "^1.62.1",
         "@vue/tsconfig": "^0.5.1",
-        "cypress": "^15.18.1",
+        "cypress": "^15.19.0",
         "cypress-downloadfile": "^1.2.4",
         "cypress-vite": "^1.10.2",
         "eslint": "^10.8.1",
@@ -7913,9 +7913,9 @@
       "license": "MIT"
     },
     "node_modules/cypress": {
-      "version": "15.18.1",
-      "resolved": "https://registry.npmjs.org/cypress/-/cypress-15.18.1.tgz",
-      "integrity": "sha512-JtkTVtUE2lvLYgZCaug+Uai0H9IqsJirlBO49c87QwG0bJUGvAUVBz1EJve0b0oaYP244Ew9M0BkrHpcqkYxmw==",
+      "version": "15.19.0",
+      "resolved": "https://registry.npmjs.org/cypress/-/cypress-15.19.0.tgz",
+      "integrity": "sha512-kjy1u3SWlMRWS5qffH3U+bXx1PqPP7qwhIzEY3UtERcW2r/8zy5uk6uSwa75pYXJyYFVP1SO8mAn/avZUvUbfg==",
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
diff --git a/package.json b/package.json
index 23797ea7e1..d546da5975 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "@nextcloud/vite-config": "^2.5.4",
     "@playwright/test": "^1.62.1",
     "@vue/tsconfig": "^0.5.1",
-    "cypress": "^15.18.1",
+    "cypress": "^15.19.0",
     "cypress-downloadfile": "^1.2.4",
     "cypress-vite": "^1.10.2",
     "eslint": "^10.8.1",