From 7a37f73eaed32e88123dfcc48847f42b1cfcf193 Mon Sep 17 00:00:00 2001
From: Jan Oberhauser <jan.oberhauser@gmail.com>
Date: Sun, 14 Nov 2021 00:11:50 +0100
Subject: [PATCH] :bug: Improve expression security

---
 packages/workflow/src/Expression.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/workflow/src/Expression.ts b/packages/workflow/src/Expression.ts
index 2b65ef03b8..b7fd4d0138 100644
--- a/packages/workflow/src/Expression.ts
+++ b/packages/workflow/src/Expression.ts
@@ -112,6 +112,9 @@ export class Expression {
 			versions: process.versions,
 		};
 
+		// @ts-ignore
+		data.document = {};
+
 		// Execute the expression
 		try {
 			// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call