diff --git a/SECURITY.md b/SECURITY.md
index a5956cc0c..fbfb418cf 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -11,6 +11,12 @@ SPDX-License-Identifier: CC-BY-SA-4.0
 Only the latest release of HedgeDoc is supported. We don't have the
 ressources to maintain multiple versions.
 
+We currently do not accept vulnerability reports for preview releases
+of the upcoming HedgeDoc 2.0. This version is still work-in-progress
+with several (security) features missing. Production usage is not yet
+recommended.  
+Security reports for preview releases of HedgeDoc 2.0 will be closed.
+
 ## Reporting a Vulnerability
 
 Please go to ["Issues" > "New" > "Report a security vulnerability"][report]. This