diff --git a/src/app/hack/[slug]/edit/layout.tsx b/src/app/hack/[slug]/edit/layout.tsx
new file mode 100644
index 0000000..e89c694
--- /dev/null
+++ b/src/app/hack/[slug]/edit/layout.tsx
@@ -0,0 +1,57 @@
+import { createClient } from "@/utils/supabase/server";
+import { FiAlertTriangle } from "react-icons/fi";
+
+interface EditLayoutProps {
+  children: React.ReactNode;
+  params: Promise<{ slug: string }>;
+}
+
+export default async function EditLayout({ children, params }: EditLayoutProps) {
+  const { slug } = await params;
+  const supabase = await createClient();
+  const { data: { user } } = await supabase.auth.getUser();
+
+  // Only show banner if user is logged in
+  if (!user) {
+    return <>{children}</>;
+  }
+
+  // Check if user is admin
+  const { data: isAdmin } = await supabase.rpc("is_admin");
+  if (!isAdmin) {
+    return <>{children}</>;
+  }
+
+  // Fetch only the minimal field needed to check ownership
+  const { data: hack } = await supabase
+    .from("hacks")
+    .select("created_by")
+    .eq("slug", slug)
+    .maybeSingle();
+
+  if (!hack) {
+    return <>{children}</>;
+  }
+
+  // Show banner if admin is not the creator (admins can edit any hack)
+  const showBanner = hack.created_by !== user.id;
+
+  if (!showBanner) {
+    return <>{children}</>;
+  }
+
+  return (
+    <>
+      <div className="sticky top-16 z-30 w-full border-b border-amber-200 bg-amber-50 text-amber-900 dark:border-amber-700/60 dark:bg-amber-950/60 dark:text-amber-100">
+        <div className="mx-auto flex max-w-screen-lg items-center px-6 py-2 text-sm">
+          <FiAlertTriangle className="mr-2 h-5 w-5 shrink-0 text-amber-600 dark:text-amber-400" />
+          <p className="line-clamp-3">
+            You are editing a hack that you do not own. Please be careful with your changes.
+          </p>
+        </div>
+      </div>
+      {children}
+    </>
+  );
+}
+
diff --git a/src/app/hack/[slug]/versions/layout.tsx b/src/app/hack/[slug]/versions/layout.tsx
new file mode 100644
index 0000000..51ed173
--- /dev/null
+++ b/src/app/hack/[slug]/versions/layout.tsx
@@ -0,0 +1,57 @@
+import { createClient } from "@/utils/supabase/server";
+import { FiAlertTriangle } from "react-icons/fi";
+
+interface VersionsLayoutProps {
+  children: React.ReactNode;
+  params: Promise<{ slug: string }>;
+}
+
+export default async function VersionsLayout({ children, params }: VersionsLayoutProps) {
+  const { slug } = await params;
+  const supabase = await createClient();
+  const { data: { user } } = await supabase.auth.getUser();
+
+  // Only show banner if user is logged in
+  if (!user) {
+    return <>{children}</>;
+  }
+
+  // Check if user is admin
+  const { data: isAdmin } = await supabase.rpc("is_admin");
+  if (!isAdmin) {
+    return <>{children}</>;
+  }
+
+  // Fetch only the minimal field needed to check ownership
+  const { data: hack } = await supabase
+    .from("hacks")
+    .select("created_by")
+    .eq("slug", slug)
+    .maybeSingle();
+
+  if (!hack) {
+    return <>{children}</>;
+  }
+
+  // Show banner if admin is not the creator (admins can edit any hack)
+  const showBanner = hack.created_by !== user.id;
+
+  if (!showBanner) {
+    return <>{children}</>;
+  }
+
+  return (
+    <>
+      <div className="sticky top-16 z-30 w-full border-b border-amber-200 bg-amber-50 text-amber-900 dark:border-amber-700/60 dark:bg-amber-950/60 dark:text-amber-100">
+        <div className="mx-auto flex max-w-screen-md items-center px-4 sm:px-6 py-2 text-sm">
+          <FiAlertTriangle className="mr-2 h-5 w-5 shrink-0 text-amber-600 dark:text-amber-400" />
+          <p className="line-clamp-3">
+            You are editing a hack that you do not own. Please be careful with your changes.
+          </p>
+        </div>
+      </div>
+      {children}
+    </>
+  );
+}
+