From 119046109d117edbbf5dac55a4e190c596596402 Mon Sep 17 00:00:00 2001
From: martincostello <martin@martincostello.com>
Date: Tue, 16 Jun 2026 14:41:25 +0100
Subject: [PATCH] Fix ExposeSwaggerDocumentUrlsRoute behaviour

Fix `SwaggerUIOptions.ExposeSwaggerDocumentUrlsRoute` not being respected.

Fixes #3983.
---
 .../SwaggerUIMiddleware.cs                            | 11 +++++++----
 .../SwaggerUIOptionsExtensions.cs                     |  2 +-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/Swashbuckle.AspNetCore.SwaggerUI/SwaggerUIMiddleware.cs b/src/Swashbuckle.AspNetCore.SwaggerUI/SwaggerUIMiddleware.cs
index 35493feff1..29493b539c 100644
--- a/src/Swashbuckle.AspNetCore.SwaggerUI/SwaggerUIMiddleware.cs
+++ b/src/Swashbuckle.AspNetCore.SwaggerUI/SwaggerUIMiddleware.cs
@@ -63,11 +63,14 @@ public async Task Invoke(HttpContext httpContext)
                 return;
             }
 
-            var pattern = $"^/?{Regex.Escape(_options.RoutePrefix)}/{_options.SwaggerDocumentUrlsPath}/?$";
-            if (Regex.IsMatch(path, pattern, RegexOptions.IgnoreCase))
+            if (_options.ExposeSwaggerDocumentUrlsRoute)
             {
-                await RespondWithDocumentUrls(httpContext);
-                return;
+                var pattern = $"^/?{Regex.Escape(_options.RoutePrefix)}/{_options.SwaggerDocumentUrlsPath}/?$";
+                if (Regex.IsMatch(path, pattern, RegexOptions.IgnoreCase))
+                {
+                    await RespondWithDocumentUrls(httpContext);
+                    return;
+                }
             }
         }
 
diff --git a/src/Swashbuckle.AspNetCore.SwaggerUI/SwaggerUIOptionsExtensions.cs b/src/Swashbuckle.AspNetCore.SwaggerUI/SwaggerUIOptionsExtensions.cs
index 7801cacb42..84ab62d486 100644
--- a/src/Swashbuckle.AspNetCore.SwaggerUI/SwaggerUIOptionsExtensions.cs
+++ b/src/Swashbuckle.AspNetCore.SwaggerUI/SwaggerUIOptionsExtensions.cs
@@ -329,7 +329,7 @@ public static void UseResponseInterceptor(this SwaggerUIOptions options, string
 
     /// <summary>
     /// Function to enable the <see cref="SwaggerUIOptions.ExposeSwaggerDocumentUrlsRoute"/> option to expose the available
-    /// Swagger document urls to external parties.
+    /// Swagger document URLs to external parties.
     /// </summary>
     /// <param name="options"></param>
     public static void EnableSwaggerDocumentUrlsEndpoint(this SwaggerUIOptions options)