diff --git a/apps/nextjs/src/app/[locale]/boards/[name]/settings/page.tsx b/apps/nextjs/src/app/[locale]/boards/[name]/settings/page.tsx
index 06255e0ff..e5d634e33 100644
--- a/apps/nextjs/src/app/[locale]/boards/[name]/settings/page.tsx
+++ b/apps/nextjs/src/app/[locale]/boards/[name]/settings/page.tsx
@@ -66,9 +66,13 @@ const getBoardAndPermissionsAsync = async (params: Props["params"]) => {
 export default async function BoardSettingsPage({ params, searchParams }: Props) {
   const { board, permissions } = await getBoardAndPermissionsAsync(params);
   const boardSettings = await getServerSettingByKeyAsync(db, "board");
-  const { hasFullAccess } = await getBoardPermissionsAsync(board);
+  const { hasFullAccess, hasChangeAccess } = await getBoardPermissionsAsync(board);
   const t = await getScopedI18n("board.setting");
 
+  if (!hasChangeAccess) {
+    notFound();
+  }
+
   return (
     <Container>
       <Stack>
diff --git a/apps/nextjs/src/app/[locale]/manage/settings/page.tsx b/apps/nextjs/src/app/[locale]/manage/settings/page.tsx
index a651682e9..f877b4ded 100644
--- a/apps/nextjs/src/app/[locale]/manage/settings/page.tsx
+++ b/apps/nextjs/src/app/[locale]/manage/settings/page.tsx
@@ -1,6 +1,8 @@
+import { notFound } from "next/navigation";
 import { Stack, Title } from "@mantine/core";
 
 import { api } from "@homarr/api/server";
+import { auth } from "@homarr/auth/next";
 import { getScopedI18n } from "@homarr/translation/server";
 
 import { CrawlingAndIndexingSettings } from "~/app/[locale]/manage/settings/_components/crawling-and-indexing.settings";
@@ -20,6 +22,12 @@ export async function generateMetadata() {
 }
 
 export default async function SettingsPage() {
+  const session = await auth();
+
+  if (!session?.user.permissions.includes("admin")) {
+    notFound();
+  }
+
   const serverSettings = await api.serverSettings.getAll();
   const tSettings = await getScopedI18n("management.page.settings");
   return (
diff --git a/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/members/page.tsx b/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/members/page.tsx
index d20f285a8..11c6d1dad 100644
--- a/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/members/page.tsx
+++ b/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/members/page.tsx
@@ -1,10 +1,12 @@
 import Link from "next/link";
+import { notFound } from "next/navigation";
 import { Alert, Anchor, Center, Group, Stack, Table, TableTbody, TableTd, TableTr, Text, Title } from "@mantine/core";
 import { IconExclamationCircle } from "@tabler/icons-react";
 
 import type { RouterOutputs } from "@homarr/api";
 import { api } from "@homarr/api/server";
 import { env } from "@homarr/auth/env.mjs";
+import { auth } from "@homarr/auth/next";
 import { isProviderEnabled } from "@homarr/auth/server";
 import { everyoneGroup } from "@homarr/definitions";
 import { getI18n, getScopedI18n } from "@homarr/translation/server";
@@ -24,6 +26,12 @@ interface GroupsDetailPageProps {
 }
 
 export default async function GroupsDetailPage({ params, searchParams }: GroupsDetailPageProps) {
+  const session = await auth();
+
+  if (!session?.user.permissions.includes("admin")) {
+    notFound();
+  }
+
   const t = await getI18n();
   const tMembers = await getScopedI18n("management.page.group.setting.members");
   const group = await api.group.getById({ id: params.id });
diff --git a/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/page.tsx b/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/page.tsx
index e3d8c6a5f..8ec60e2f3 100644
--- a/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/page.tsx
+++ b/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/page.tsx
@@ -1,6 +1,8 @@
+import { notFound } from "next/navigation";
 import { Card, Group, Stack, Text, Title } from "@mantine/core";
 
 import { api } from "@homarr/api/server";
+import { auth } from "@homarr/auth/next";
 import { everyoneGroup } from "@homarr/definitions";
 import { getScopedI18n } from "@homarr/translation/server";
 import { UserAvatar } from "@homarr/ui";
@@ -18,6 +20,12 @@ interface GroupsDetailPageProps {
 }
 
 export default async function GroupsDetailPage({ params }: GroupsDetailPageProps) {
+  const session = await auth();
+
+  if (!session?.user.permissions.includes("admin")) {
+    notFound();
+  }
+
   const group = await api.group.getById({ id: params.id });
   const tGeneral = await getScopedI18n("management.page.group.setting.general");
   const tGroupAction = await getScopedI18n("group.action");
diff --git a/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/permissions/page.tsx b/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/permissions/page.tsx
index 303d7b22d..f44397ab4 100644
--- a/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/permissions/page.tsx
+++ b/apps/nextjs/src/app/[locale]/manage/users/groups/[id]/permissions/page.tsx
@@ -1,7 +1,9 @@
 import React from "react";
+import { notFound } from "next/navigation";
 import { Card, CardSection, Divider, Group, Stack, Text, Title } from "@mantine/core";
 
 import { api } from "@homarr/api/server";
+import { auth } from "@homarr/auth/next";
 import { objectKeys } from "@homarr/common";
 import type { GroupPermissionKey } from "@homarr/definitions";
 import { groupPermissions } from "@homarr/definitions";
@@ -16,6 +18,12 @@ interface GroupPermissionsPageProps {
 }
 
 export default async function GroupPermissionsPage({ params }: GroupPermissionsPageProps) {
+  const session = await auth();
+
+  if (!session?.user.permissions.includes("admin")) {
+    notFound();
+  }
+
   const group = await api.group.getById({ id: params.id });
   const tPermissions = await getScopedI18n("group.permission");
   const t = await getI18n();
diff --git a/packages/api/src/router/board.ts b/packages/api/src/router/board.ts
index 64863e2f2..26c38ba91 100644
--- a/packages/api/src/router/board.ts
+++ b/packages/api/src/router/board.ts
@@ -575,11 +575,14 @@ export const boardRouter = createTRPCRouter({
         );
       });
     }),
-  importOldmarrConfig: protectedProcedure.input(importJsonFileSchema).mutation(async ({ input, ctx }) => {
-    const content = await input.file.text();
-    const oldmarr = oldmarrConfigSchema.parse(JSON.parse(content));
-    await importOldmarrAsync(ctx.db, oldmarr, input.configuration);
-  }),
+  importOldmarrConfig: permissionRequiredProcedure
+    .requiresPermission("board-create")
+    .input(importJsonFileSchema)
+    .mutation(async ({ input, ctx }) => {
+      const content = await input.file.text();
+      const oldmarr = oldmarrConfigSchema.parse(JSON.parse(content));
+      await importOldmarrAsync(ctx.db, oldmarr, input.configuration);
+    }),
 });
 
 const noBoardWithSimilarNameAsync = async (db: Database, name: string, ignoredIds: string[] = []) => {
diff --git a/packages/api/src/router/invite.ts b/packages/api/src/router/invite.ts
index 8599555d3..c380f0003 100644
--- a/packages/api/src/router/invite.ts
+++ b/packages/api/src/router/invite.ts
@@ -6,11 +6,12 @@ import { invites } from "@homarr/db/schema/sqlite";
 import { selectInviteSchema } from "@homarr/db/validationSchemas";
 import { z } from "@homarr/validation";
 
-import { createTRPCRouter, protectedProcedure } from "../trpc";
+import { createTRPCRouter, permissionRequiredProcedure } from "../trpc";
 import { throwIfCredentialsDisabled } from "./invite/checks";
 
 export const inviteRouter = createTRPCRouter({
-  getAll: protectedProcedure
+  getAll: permissionRequiredProcedure
+    .requiresPermission("admin")
     .output(
       z.array(
         selectInviteSchema
@@ -40,7 +41,8 @@ export const inviteRouter = createTRPCRouter({
         },
       });
     }),
-  createInvite: protectedProcedure
+  createInvite: permissionRequiredProcedure
+    .requiresPermission("admin")
     .input(
       z.object({
         expirationDate: z.date(),
@@ -65,7 +67,8 @@ export const inviteRouter = createTRPCRouter({
         token,
       };
     }),
-  deleteInvite: protectedProcedure
+  deleteInvite: permissionRequiredProcedure
+    .requiresPermission("admin")
     .input(
       z.object({
         id: z.string(),
diff --git a/packages/api/src/router/serverSettings.ts b/packages/api/src/router/serverSettings.ts
index f1aa6ecdd..2fdb000f2 100644
--- a/packages/api/src/router/serverSettings.ts
+++ b/packages/api/src/router/serverSettings.ts
@@ -3,17 +3,18 @@ import type { ServerSettings } from "@homarr/server-settings";
 import { defaultServerSettingsKeys } from "@homarr/server-settings";
 import { validation, z } from "@homarr/validation";
 
-import { createTRPCRouter, onboardingProcedure, protectedProcedure, publicProcedure } from "../trpc";
+import { createTRPCRouter, onboardingProcedure, permissionRequiredProcedure, publicProcedure } from "../trpc";
 import { nextOnboardingStepAsync } from "./onboard/onboard-queries";
 
 export const serverSettingsRouter = createTRPCRouter({
   getCulture: publicProcedure.query(async ({ ctx }) => {
     return await getServerSettingByKeyAsync(ctx.db, "culture");
   }),
-  getAll: protectedProcedure.query(async ({ ctx }) => {
+  getAll: permissionRequiredProcedure.requiresPermission("admin").query(async ({ ctx }) => {
     return await getServerSettingsAsync(ctx.db);
   }),
-  saveSettings: protectedProcedure
+  saveSettings: permissionRequiredProcedure
+    .requiresPermission("admin")
     .input(
       z.object({
         settingsKey: z.enum(defaultServerSettingsKeys),
diff --git a/packages/api/src/router/test/invite.spec.ts b/packages/api/src/router/test/invite.spec.ts
index 6be30f7a9..927e7fd91 100644
--- a/packages/api/src/router/test/invite.spec.ts
+++ b/packages/api/src/router/test/invite.spec.ts
@@ -11,7 +11,7 @@ import { inviteRouter } from "../invite";
 const defaultSession = {
   user: {
     id: createId(),
-    permissions: [],
+    permissions: ["admin"],
     colorScheme: "light",
   },
   expires: new Date().toISOString(),
diff --git a/packages/api/src/router/test/serverSettings.spec.ts b/packages/api/src/router/test/serverSettings.spec.ts
index 4f08132be..ba2a7c784 100644
--- a/packages/api/src/router/test/serverSettings.spec.ts
+++ b/packages/api/src/router/test/serverSettings.spec.ts
@@ -15,7 +15,7 @@ vi.mock("@homarr/auth", () => ({ auth: () => ({}) as Session }));
 const defaultSession = {
   user: {
     id: createId(),
-    permissions: [],
+    permissions: ["admin"],
     colorScheme: "light",
   },
   expires: new Date().toISOString(),
diff --git a/packages/api/src/router/update-checker.ts b/packages/api/src/router/update-checker.ts
index 730080873..4b36c3f93 100644
--- a/packages/api/src/router/update-checker.ts
+++ b/packages/api/src/router/update-checker.ts
@@ -1,9 +1,9 @@
 import { updateCheckerRequestHandler } from "@homarr/request-handler/update-checker";
 
-import { createTRPCRouter, protectedProcedure } from "../trpc";
+import { createTRPCRouter, permissionRequiredProcedure } from "../trpc";
 
 export const updateCheckerRouter = createTRPCRouter({
-  getAvailableUpdates: protectedProcedure.query(async () => {
+  getAvailableUpdates: permissionRequiredProcedure.requiresPermission("admin").query(async () => {
     const handler = updateCheckerRequestHandler.handler({});
     const data = await handler.getCachedOrUpdatedDataAsync({});
     return data.data.availableUpdates;
diff --git a/packages/api/src/router/widgets/dns-hole.ts b/packages/api/src/router/widgets/dns-hole.ts
index a9b76be4f..3480ae874 100644
--- a/packages/api/src/router/widgets/dns-hole.ts
+++ b/packages/api/src/router/widgets/dns-hole.ts
@@ -10,7 +10,7 @@ import { controlsInputSchema } from "@homarr/integrations/types";
 import { dnsHoleRequestHandler } from "@homarr/request-handler/dns-hole";
 
 import { createManyIntegrationMiddleware, createOneIntegrationMiddleware } from "../../middlewares/integration";
-import { createTRPCRouter, publicProcedure } from "../../trpc";
+import { createTRPCRouter, protectedProcedure, publicProcedure } from "../../trpc";
 
 export const dnsHoleRouter = createTRPCRouter({
   summary: publicProcedure
@@ -62,7 +62,7 @@ export const dnsHoleRouter = createTRPCRouter({
       });
     }),
 
-  enable: publicProcedure
+  enable: protectedProcedure
     .unstable_concat(createOneIntegrationMiddleware("interact", ...getIntegrationKindsByCategory("dnsHole")))
     .mutation(async ({ ctx: { integration } }) => {
       const client = integrationCreator(integration);
@@ -75,7 +75,7 @@ export const dnsHoleRouter = createTRPCRouter({
       });
     }),
 
-  disable: publicProcedure
+  disable: protectedProcedure
     .input(controlsInputSchema)
     .unstable_concat(createOneIntegrationMiddleware("interact", ...getIntegrationKindsByCategory("dnsHole")))
     .mutation(async ({ ctx: { integration }, input }) => {
diff --git a/packages/api/src/router/widgets/indexer-manager.ts b/packages/api/src/router/widgets/indexer-manager.ts
index 19dedb595..2bbf1356d 100644
--- a/packages/api/src/router/widgets/indexer-manager.ts
+++ b/packages/api/src/router/widgets/indexer-manager.ts
@@ -9,7 +9,7 @@ import { indexerManagerRequestHandler } from "@homarr/request-handler/indexer-ma
 
 import type { IntegrationAction } from "../../middlewares/integration";
 import { createManyIntegrationMiddleware } from "../../middlewares/integration";
-import { createTRPCRouter, publicProcedure } from "../../trpc";
+import { createTRPCRouter, protectedProcedure, publicProcedure } from "../../trpc";
 
 const createIndexerManagerIntegrationMiddleware = (action: IntegrationAction) =>
   createManyIntegrationMiddleware(action, ...getIntegrationKindsByCategory("indexerManager"));
@@ -54,7 +54,7 @@ export const indexerManagerRouter = createTRPCRouter({
         };
       });
     }),
-  testAllIndexers: publicProcedure
+  testAllIndexers: protectedProcedure
     .unstable_concat(createIndexerManagerIntegrationMiddleware("interact"))
     .mutation(async ({ ctx }) => {
       await Promise.all(
diff --git a/packages/api/src/router/widgets/notebook.ts b/packages/api/src/router/widgets/notebook.ts
index 8fd369630..9c7d6da2b 100644
--- a/packages/api/src/router/widgets/notebook.ts
+++ b/packages/api/src/router/widgets/notebook.ts
@@ -5,10 +5,10 @@ import { eq } from "@homarr/db";
 import { items } from "@homarr/db/schema/sqlite";
 import { z } from "@homarr/validation";
 
-import { createTRPCRouter, publicProcedure } from "../../trpc";
+import { createTRPCRouter, protectedProcedure } from "../../trpc";
 
 export const notebookRouter = createTRPCRouter({
-  updateContent: publicProcedure
+  updateContent: protectedProcedure
     .input(
       z.object({
         itemId: z.string(),
diff --git a/packages/api/src/router/widgets/smart-home.ts b/packages/api/src/router/widgets/smart-home.ts
index 1b8b6ec64..d1a1fde85 100644
--- a/packages/api/src/router/widgets/smart-home.ts
+++ b/packages/api/src/router/widgets/smart-home.ts
@@ -7,7 +7,7 @@ import { z } from "@homarr/validation";
 
 import type { IntegrationAction } from "../../middlewares/integration";
 import { createOneIntegrationMiddleware } from "../../middlewares/integration";
-import { createTRPCRouter, publicProcedure } from "../../trpc";
+import { createTRPCRouter, protectedProcedure, publicProcedure } from "../../trpc";
 
 const createSmartHomeIntegrationMiddleware = (action: IntegrationAction) =>
   createOneIntegrationMiddleware(action, ...getIntegrationKindsByCategory("smartHomeServer"));
@@ -41,7 +41,7 @@ export const smartHomeRouter = createTRPCRouter({
         };
       });
     }),
-  switchEntity: publicProcedure
+  switchEntity: protectedProcedure
     .unstable_concat(createSmartHomeIntegrationMiddleware("interact"))
     .input(z.object({ entityId: z.string() }))
     .mutation(async ({ ctx: { integration }, input }) => {
@@ -53,7 +53,7 @@ export const smartHomeRouter = createTRPCRouter({
 
       return success;
     }),
-  executeAutomation: publicProcedure
+  executeAutomation: protectedProcedure
     .unstable_concat(createSmartHomeIntegrationMiddleware("interact"))
     .input(z.object({ automationId: z.string() }))
     .mutation(async ({ ctx: { integration }, input }) => {