From d25e7726a7d52f86acc0e12bb67a794f3b87ceab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Soner=20U=C5=9Fakl=C4=B1?=
 <barisusakli@gmail.com>
Date: Fri, 23 Jan 2026 12:31:09 -0500
Subject: [PATCH] fix: #13918, make arrayLimit configurable increase default to
 50

cap at 100
---
 install/package.json | 1 +
 src/webserver.js     | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/install/package.json b/install/package.json
index 5203b0b8d1..f37a7e1684 100644
--- a/install/package.json
+++ b/install/package.json
@@ -124,6 +124,7 @@
         "pretty": "^2.0.0",
         "progress-webpack-plugin": "1.0.16",
         "prompt": "1.3.0",
+        "qs": "6.14.1",
         "redis": "5.10.0",
         "rimraf": "6.1.2",
         "rss": "1.2.2",
diff --git a/src/webserver.js b/src/webserver.js
index 18f57faa40..1aa7f2387d 100644
--- a/src/webserver.js
+++ b/src/webserver.js
@@ -137,6 +137,12 @@ function setupExpressApp(app) {
 	app.set('view engine', 'tpl');
 	app.set('views', viewsDir);
 	app.set('json spaces', global.env === 'development' ? 4 : 0);
+
+	// https://github.com/NodeBB/NodeBB/issues/13918
+	const qs = require('qs');
+	app.set('query parser', str => qs.parse(str, {
+		arrayLimit: Math.max(100, nconf.get('queryParser:arrayLimit') || 50),
+	}));
 	app.use(flash());
 
 	app.enable('view cache');