From f77415f03a9f5b2128ad39db0aaf84545fcdd52c Mon Sep 17 00:00:00 2001
From: Yurii <yurikuzn@users.noreply.github.com>
Date: Wed, 27 May 2026 13:27:09 +0300
Subject: [PATCH] Extension file with slash BC support

---
 application/Espo/Core/Utils/File/ZipArchive.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/application/Espo/Core/Utils/File/ZipArchive.php b/application/Espo/Core/Utils/File/ZipArchive.php
index 720a46c6ff..6660982202 100644
--- a/application/Espo/Core/Utils/File/ZipArchive.php
+++ b/application/Espo/Core/Utils/File/ZipArchive.php
@@ -75,6 +75,11 @@ class ZipArchive
                 continue;
             }
 
+            // For BC.
+            if (str_starts_with($filename, '/')) {
+                $filename = substr($filename, 1);
+            }
+
             if (
                 str_contains($filename, '..') ||
                 str_starts_with($filename, '/') ||