From 6199781c8394537c2ed6d85e33e4678be41bd1d2 Mon Sep 17 00:00:00 2001
From: Hugo FOYART <11079152+foyarash@users.noreply.github.com>
Date: Tue, 2 Jun 2026 18:38:41 +0200
Subject: [PATCH] fix: allow passing headers from prev to next middleware

---
 .changeset/all-sites-strive.md               | 5 +++++
 packages/vercel-middleware/src/middleware.ts | 6 ++++++
 2 files changed, 11 insertions(+)
 create mode 100644 .changeset/all-sites-strive.md

diff --git a/.changeset/all-sites-strive.md b/.changeset/all-sites-strive.md
new file mode 100644
index 0000000..972ae5f
--- /dev/null
+++ b/.changeset/all-sites-strive.md
@@ -0,0 +1,5 @@
+---
+"@redirection.io/vercel-middleware": patch
+---
+
+fix: allow passing headers from prev to next middleware
diff --git a/packages/vercel-middleware/src/middleware.ts b/packages/vercel-middleware/src/middleware.ts
index 45f89f8..0b3552d 100644
--- a/packages/vercel-middleware/src/middleware.ts
+++ b/packages/vercel-middleware/src/middleware.ts
@@ -274,6 +274,12 @@ function middlewareResponseToRequest(originalRequest: Request, response: Respons
         }
     }
 
+    response.headers.forEach((val, key) => {
+        if (!key.startsWith("x-middleware-")) {
+            request.headers.set(key, val);
+        }
+    });
+
     return request;
 }