From ce8775c75cdb4b6546503c2e6a311a14c2ad2b8c Mon Sep 17 00:00:00 2001
From: Pooja <pooja@usebruno.com>
Date: Wed, 11 Mar 2026 19:01:14 +0530
Subject: [PATCH] fix: multipart header check (#7444)

* fix: multipart header check

* fix
---
 packages/bruno-cli/src/runner/run-single-request.js | 8 ++++----
 packages/bruno-electron/src/ipc/network/index.js    | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/packages/bruno-cli/src/runner/run-single-request.js b/packages/bruno-cli/src/runner/run-single-request.js
index 259a6f0fb..44ad9e54e 100644
--- a/packages/bruno-cli/src/runner/run-single-request.js
+++ b/packages/bruno-cli/src/runner/run-single-request.js
@@ -559,18 +559,18 @@ const runSingleRequest = async function (
       // if `data` is of string type - return as-is (assumes already encoded)
     }
 
-    if (contentTypeHeader && contentTypeHeader.startsWith('multipart/')) {
+    const contentType = contentTypeHeader ? request.headers[contentTypeHeader] : '';
+    if (typeof contentType === 'string' && contentType.startsWith('multipart/')) {
       if (!isFormData(request?.data)) {
         request._originalMultipartData = request.data;
         request.collectionPath = collectionPath;
         let form = createFormData(request.data, collectionPath);
         request.data = form;
 
-        if (request?.headers?.['content-type'] !== 'multipart/form-data') {
+        if (contentType !== 'multipart/form-data') {
           // Patch: Axios leverages getHeaders method to get the headers so FormData should be monkey patched
           const formHeaders = form.getHeaders();
-          const ct = request.headers['content-type'];
-          formHeaders['content-type'] = `${ct}; boundary=${form.getBoundary()}`;
+          formHeaders['content-type'] = `${contentType}; boundary=${form.getBoundary()}`;
           form.getHeaders = function () {
             return formHeaders;
           };
diff --git a/packages/bruno-electron/src/ipc/network/index.js b/packages/bruno-electron/src/ipc/network/index.js
index 5e8a935ba..dbbe2e12e 100644
--- a/packages/bruno-electron/src/ipc/network/index.js
+++ b/packages/bruno-electron/src/ipc/network/index.js
@@ -594,17 +594,17 @@ const registerNetworkIpc = (mainWindow) => {
       // if `data` is of string type - return as-is (assumes already encoded)
     }
 
-    if (contentTypeHeader && contentTypeHeader.startsWith('multipart/')) {
+    const contentType = contentTypeHeader ? request.headers[contentTypeHeader] : '';
+    if (typeof contentType === 'string' && contentType.startsWith('multipart/')) {
       if (!isFormData(request.data)) {
         request._originalMultipartData = request.data;
         request.collectionPath = collectionPath;
         let form = createFormData(request.data, collectionPath);
         request.data = form;
-        if (contentTypeHeader !== 'multipart/form-data') {
+        if (contentType !== 'multipart/form-data') {
           // Patch: Axios leverages getHeaders method to get the headers so FormData should be monkey patched
           const formHeaders = form.getHeaders();
-          const ct = contentTypeHeader;
-          formHeaders['content-type'] = `${ct}; boundary=${form.getBoundary()}`;
+          formHeaders['content-type'] = `${contentType}; boundary=${form.getBoundary()}`;
           form.getHeaders = function () {
             return formHeaders;
           };