diff --git a/CHANGELOG.md b/CHANGELOG.md
index b14ea36100..0e22458c76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ and this project adheres to
 
 - ⚡️(backend) improve trashbin endpoint performance
 - 🐛(backend) manage invitation partial update without email #1494
+- 🐛(backend) fix s3 version_id validation
 
 
 ## [3.8.0] - 2025-10-14
diff --git a/src/backend/core/api/viewsets.py b/src/backend/core/api/viewsets.py
index 009d96839e..f300b191ba 100644
--- a/src/backend/core/api/viewsets.py
+++ b/src/backend/core/api/viewsets.py
@@ -1102,7 +1102,7 @@ def versions_list(self, request, *args, **kwargs):
     @drf.decorators.action(
         detail=True,
         methods=["get", "delete"],
-        url_path="versions/(?P<version_id>[0-9a-z-]+)",
+        url_path=r"versions/(?P<version_id>[^/]{1,1024})",
     )
     # pylint: disable=unused-argument
     def versions_detail(self, request, pk, version_id, *args, **kwargs):