diff --git a/kio.changes b/kio.changes
index 3c87ffe..f56fe3d 100644
--- a/kio.changes
+++ b/kio.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Mar  1 21:02:49 UTC 2017 - fabian@ritter-vogt.de
+
+- Add patch to fix security issue with proxy configuration (boo#1027520)
+  * sanitize-url-for-proxy.patch
+
 -------------------------------------------------------------------
 Thu Feb  9 09:30:01 UTC 2017 - hrvoje.senjan@gmail.com
 
diff --git a/kio.spec b/kio.spec
index 69a8226..6a0e119 100644
--- a/kio.spec
+++ b/kio.spec
@@ -75,6 +75,8 @@ Source:         http://download.kde.org/stable/frameworks/%{_tar_path}/%{name}-%
 Source1:        baselibs.conf
 # PATCH-FIX-OPENSUSE kio_help-fallback-to-kde4-docs.patch -- allow kio_help to see into kde4 documentation, needed especially for khelpcenter5
 Patch0:         kio_help-fallback-to-kde4-docs.patch
+# PATCH-FIX-UPSTREAM sanitize-url-for-proxy.patch
+Patch1:         sanitize-url-for-proxy.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -84,8 +86,8 @@ file dialog also uses this to provide its network-enabled file management.
 
 %package core
 Summary:        Network transparent access to files and data
-Group:          System/GUI/KDE
 # core subpackage created with 5.9.0
+Group:          System/GUI/KDE
 Conflicts:      kio <= 5.8.0
 
 %description core
@@ -121,6 +123,7 @@ Development files.
 %prep
 %setup -q
 %patch0 -p1
+%patch1 -p1
 
 %build
   %cmake_kf5 -d build
diff --git a/sanitize-url-for-proxy.patch b/sanitize-url-for-proxy.patch
new file mode 100644
index 0000000..835f962
--- /dev/null
+++ b/sanitize-url-for-proxy.patch
@@ -0,0 +1,40 @@
+From f9d0cb47cf94e209f6171ac0e8d774e68156a6e4 Mon Sep 17 00:00:00 2001
+From: Albert Astals Cid <aacid@kde.org>
+Date: Tue, 28 Feb 2017 19:00:48 +0100
+Subject: [PATCH] Sanitize URLs before passing them to FindProxyForURL
+
+Remove user/password information
+For https: remove path and query
+
+Thanks to safebreach.com for reporting the problem
+
+CCMAIL: yoni.fridburg@safebreach.com
+CCMAIL: amit.klein@safebreach.com
+CCMAIL: itzik.kotler@safebreach.com
+---
+ src/kpac/script.cpp | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/src/kpac/script.cpp b/src/kpac/script.cpp
+index a0235f7..2485c54 100644
+--- a/src/kpac/script.cpp
++++ b/src/kpac/script.cpp
+@@ -754,9 +754,16 @@ QString Script::evaluate(const QUrl &url)
+         }
+     }
+ 
++    QUrl cleanUrl = url;
++    cleanUrl.setUserInfo(QString());
++    if (cleanUrl.scheme() == QLatin1String("https")) {
++        cleanUrl.setPath(QString());
++        cleanUrl.setQuery(QString());
++    }
++
+     QScriptValueList args;
+-    args << url.url();
+-    args << url.host();
++    args << cleanUrl.url();
++    args << cleanUrl.host();
+ 
+     QScriptValue result = func.call(QScriptValue(), args);
+     if (result.isError()) {