diff --git a/docs/core-checklist-status.md b/docs/core-checklist-status.md
index 53626db..f326b2f 100644
--- a/docs/core-checklist-status.md
+++ b/docs/core-checklist-status.md
@@ -31,7 +31,7 @@ Legend:
 22. Text Formatting - `DONE` (bold/italic/underline/spoiler/mono/links + strikethrough + quote/code block; web composer supports keyboard shortcuts `Ctrl/Cmd+B/I/U/K`, `Ctrl/Cmd+Shift+X`, `Ctrl/Cmd+Shift+\``)
 23. Groups - `DONE` (create/add/remove/invite link with role-aware moderation flows in web Chat Info and covered invite/join behavior)
 24. Roles - `DONE` (owner/admin/member)
-25. Admin Rights - `DONE` (delete/pin/edit info + ban/unban/member role management with role-gated UI and APIs for groups/channels)
+25. Admin Rights - `DONE` (delete/pin/edit info + ban/unban/member role management with role-gated UI and APIs for groups/channels; member role no longer sees participants lists in group/channel chat info)
 26. Channels - `DONE` (create/post/edit/delete/subscribe/unsubscribe with role-aware channel behavior and invite-link flows)
 27. Channel Types - `DONE` (public/private)
 28. Notifications - `DONE` (browser notifications + mute/settings/sound; mention override for muted chats, realtime sync for mute state, notification click deep-link (`/?chat=..&message=..`) restores chat/message focus after auth)
diff --git a/web/src/components/ChatInfoPanel.tsx b/web/src/components/ChatInfoPanel.tsx
index aebb4a9..fa5dfee 100644
--- a/web/src/components/ChatInfoPanel.tsx
+++ b/web/src/components/ChatInfoPanel.tsx
@@ -88,7 +88,8 @@ export function ChatInfoPanel({ chatId, open, onClose }: Props) {
     return null;
   }, [myRole]);
   const isGroupLike = chat?.type === "group" || chat?.type === "channel";
-  const showMembersSection = Boolean(chat && isGroupLike && !chat.is_saved);
+  const canViewMembersList = Boolean(isGroupLike && (myRoleNormalized === "owner" || myRoleNormalized === "admin"));
+  const showMembersSection = Boolean(chat && isGroupLike && !chat.is_saved && canViewMembersList);
   const canManageMembers = Boolean(isGroupLike && (myRoleNormalized === "owner" || myRoleNormalized === "admin"));
   const canEditTitle = Boolean(isGroupLike && (myRoleNormalized === "owner" || myRoleNormalized === "admin"));
   const canEditChatProfile = Boolean(isGroupLike && (myRoleNormalized === "owner" || myRoleNormalized === "admin"));
@@ -225,8 +226,14 @@ export function ChatInfoPanel({ chatId, open, onClose }: Props) {
         setCounterpartProfile(null);
         setCounterpartBlocked(false);
       }
-      const nextMembers = await refreshMembers(targetChatId);
-      const resolvedRole = String(detail.my_role ?? nextMembers.find((m) => m.user_id === me?.id)?.role ?? "").toLowerCase();
+      const resolvedRole = String(detail.my_role ?? "").toLowerCase();
+      const canLoadMembers = (detail.type === "group" || detail.type === "channel") && (resolvedRole === "owner" || resolvedRole === "admin");
+      if (canLoadMembers) {
+        await refreshMembers(targetChatId);
+      } else {
+        setMembers([]);
+        setMemberUsers({});
+      }
       const canLoadBans = (detail.type === "group" || detail.type === "channel") && (resolvedRole === "owner" || resolvedRole === "admin");
       if (canLoadBans) {
         await refreshBans(targetChatId);