From c884dac3a740b4fcee311673f2b47800a761b1d9 Mon Sep 17 00:00:00 2001
From: Antonio SJ Musumeci <trapexit@spawn.link>
Date: Fri, 2 Jan 2026 13:04:30 -0600
Subject: [PATCH] mergerfs_webui.cpp

---
 src/mergerfs_webui.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mergerfs_webui.cpp b/src/mergerfs_webui.cpp
index 81379d67..f5c1dadf 100644
--- a/src/mergerfs_webui.cpp
+++ b/src/mergerfs_webui.cpp
@@ -187,6 +187,12 @@ _get_kvs(const httplib::Request &req_,
   std::string mount;
   std::map<std::string,std::string> kvs;
 
+  if(not req_.has_param("mount"))
+    {
+      res_.status = 400;
+      res_.set_content("mount param not set", "text/plain");
+    }
+
   mount = req_.get_param_value("mount");
 
   mergerfs::api::get_kvs(mount,&kvs);