Merge pull request #563 from matrix-org/daniel/dollarz

Reject additional path segments

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py

index e2f5eb7b29..5ec52707e7 100644
--- a/synapse/rest/client/v1/admin.py
+++ b/synapse/rest/client/v1/admin.py
@@ -26,7 +26,7 @@ logger = logging.getLogger(__name__)
 
 
 class WhoisRestServlet(ClientV1RestServlet):
-    PATTERNS = client_path_patterns("/admin/whois/(?P<user_id>[^/]*)")
+    PATTERNS = client_path_patterns("/admin/whois/(?P<user_id>[^/]*)$")
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):