From d182c853302e6e717eb7d291e6b1d4dd88bb9b1d Mon Sep 17 00:00:00 2001
From: Prem Palanisamy <i.prem.tsd@gmail.com>
Date: Tue, 27 Jan 2026 09:35:45 +0000
Subject: [PATCH] fix: reject unsupported relationship value types

---
 .../Databases/Http/Databases/Collections/Documents/Action.php   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Appwrite/Platform/Modules/Databases/Http/Databases/Collections/Documents/Action.php b/src/Appwrite/Platform/Modules/Databases/Http/Databases/Collections/Documents/Action.php
index 65b3be2130..7cac57bfa7 100644
--- a/src/Appwrite/Platform/Modules/Databases/Http/Databases/Collections/Documents/Action.php
+++ b/src/Appwrite/Platform/Modules/Databases/Http/Databases/Collections/Documents/Action.php
@@ -264,6 +264,8 @@ abstract class Action extends DatabasesAction
             $relationId = $relation;
         } elseif (\is_array($relation) && \array_values($relation) !== $relation) {
             $relationId = $relation['$id'] ?? null;
+        } else {
+            throw new Exception(Exception::GENERAL_BAD_REQUEST, 'Relationship value must be an object, document ID string, or associative array');
         }
 
         if ($relationId !== null) {