From 2064eef273c878191cd29799329c049693fa60d4 Mon Sep 17 00:00:00 2001
From: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
Date: Tue, 31 Mar 2026 16:53:12 -0400
Subject: [PATCH] [esp32_hosted] Guard against empty firmware URL in perform()
 (#15338)

---
 .../components/esp32_hosted/update/esp32_hosted_update.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/esphome/components/esp32_hosted/update/esp32_hosted_update.cpp b/esphome/components/esp32_hosted/update/esp32_hosted_update.cpp
index dcd6e643c2..af35d32888 100644
--- a/esphome/components/esp32_hosted/update/esp32_hosted_update.cpp
+++ b/esphome/components/esp32_hosted/update/esp32_hosted_update.cpp
@@ -448,6 +448,13 @@ void Esp32HostedUpdate::perform(bool force) {
     return;
   }
 
+#ifdef USE_ESP32_HOSTED_HTTP_UPDATE
+  if (this->firmware_url_.empty()) {
+    ESP_LOGW(TAG, "No firmware URL available, run check first");
+    return;
+  }
+#endif
+
   update::UpdateState prev_state = this->state_;
   this->state_ = update::UPDATE_STATE_INSTALLING;
   this->update_info_.has_progress = false;