From 3357bfb191eae9c63f56bfde3d0e9f90b2541637 Mon Sep 17 00:00:00 2001
From: wmair <wolfgang@mair.io>
Date: Tue, 17 Feb 2026 10:15:04 +0100
Subject: [PATCH] Set default room version to 12 (CVE-2025-49090 fix)

---
 templates/homeserver.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/templates/homeserver.yaml b/templates/homeserver.yaml
index 9606452..c45f954 100644
--- a/templates/homeserver.yaml
+++ b/templates/homeserver.yaml
@@ -39,6 +39,7 @@ max_image_pixels: "32M"
 # Registration
 # Disabled by default - use MAS for user registration
 enable_registration: false
+default_room_version: "12"
 registration_shared_secret: "{{SYNAPSE_REGISTRATION_SHARED_SECRET}}"
 
 # Allow guest access