From bfdf959fad4af39b388d4552d4d6321782f806b5 Mon Sep 17 00:00:00 2001
From: Mira Weller <weller@rami.io>
Date: Tue, 21 Apr 2026 12:20:15 +0200
Subject: [PATCH] Validate that event and property belong to the same organizer

---
 src/pretix/base/models/event.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/pretix/base/models/event.py b/src/pretix/base/models/event.py
index aee0df1a7b..16072911df 100644
--- a/src/pretix/base/models/event.py
+++ b/src/pretix/base/models/event.py
@@ -1863,6 +1863,8 @@ class EventMetaValue(LoggedModel):
             self.event.cache.clear()
 
     def save(self, *args, **kwargs):
+        if self.event and self.event.organizer != self.property.organizer:
+            raise ValidationError(_("Property and event must belong to the same organizer."))
         super().save(*args, **kwargs)
         if self.event:
             self.event.cache.clear()