Version 4.7.8

system/Request/Request.php

@@ -724,13 +724,13 @@ class _Request extends \IPS\Patterns\Singleton
 		if ( \function_exists('apache_request_headers') )
 		{
 			$headers = @apache_request_headers();
-			if ( isset( $headers['Authorization'] ) )
+			$headerKeys = ['authorization', 'x-authorization'];
+			foreach ( $headers as $k => $v )
 			{
-				return $headers['Authorization'];
-			}
-			elseif ( isset( $headers['X-Authorization'] ) )
-			{
-				return $headers['X-Authorization'];
+				if ( \in_array( \mb_strtolower( $k ), $headerKeys ) )
+				{
+					return $v;
+				}
 			}
 		}