diff --git a/user-management/web/index.html b/user-management/web/index.html
index 1374a9b..9c3cf31 100644
--- a/user-management/web/index.html
+++ b/user-management/web/index.html
@@ -34,43 +34,43 @@
     <nav id="tabNav" class="bg-white border-b shadow-sm sticky top-14 z-40 hidden">
         <div id="tabNavInner" class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
             <div class="flex gap-1 py-2 overflow-x-auto">
-                <button class="tab-btn active px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('users')">
+                <button class="tab-btn active px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="users" onclick="switchTab('users', event)">
                     <i class="fas fa-users mr-2"></i>사용자
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('projects')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="projects" onclick="switchTab('projects', event)">
                     <i class="fas fa-folder-open mr-2"></i>프로젝트
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('workplaces')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="workplaces" onclick="switchTab('workplaces', event)">
                     <i class="fas fa-building mr-2"></i>작업장
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('workers')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="workers" onclick="switchTab('workers', event)">
                     <i class="fas fa-hard-hat mr-2"></i>작업자
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('departments')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="departments" onclick="switchTab('departments', event)">
                     <i class="fas fa-sitemap mr-2"></i>부서
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('permissions')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="permissions" onclick="switchTab('permissions', event)">
                     <i class="fas fa-shield-alt mr-2"></i>권한
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('issueTypes')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="issueTypes" onclick="switchTab('issueTypes', event)">
                     <i class="fas fa-exclamation-triangle mr-2"></i>이슈 유형
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('tasks')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="tasks" onclick="switchTab('tasks', event)">
                     <i class="fas fa-tasks mr-2"></i>작업
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('vacations')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="vacations" onclick="switchTab('vacations', event)">
                     <i class="fas fa-umbrella-beach mr-2"></i>휴가
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('partners')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="partners" onclick="switchTab('partners', event)">
                     <i class="fas fa-truck mr-2"></i>협력업체
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('vendors')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="vendors" onclick="switchTab('vendors', event)">
                     <i class="fas fa-store mr-2"></i>업체
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('consumables')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="consumables" onclick="switchTab('consumables', event)">
                     <i class="fas fa-box-open mr-2"></i>소모품
                 </button>
-                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" onclick="switchTab('notificationRecipients')">
+                <button class="tab-btn px-4 py-2 rounded-lg text-sm font-medium whitespace-nowrap" data-tab="notificationRecipients" onclick="switchTab('notificationRecipients', event)">
                     <i class="fas fa-bell mr-2"></i>알림 수신자
                 </button>
             </div>
@@ -2000,9 +2000,9 @@
     </div>
 
     <!-- JS: Core (config, token, api, toast, helpers, init) -->
-    <script src="/static/js/tkuser-core.js?v=2026031601"></script>
+    <script src="/static/js/tkuser-core.js?v=2026031602"></script>
     <!-- JS: Tabs -->
-    <script src="/static/js/tkuser-tabs.js?v=2026031401"></script>
+    <script src="/static/js/tkuser-tabs.js?v=2026031602"></script>
     <!-- JS: Individual modules -->
     <script src="/static/js/tkuser-users.js?v=2026031601"></script>
     <script src="/static/js/tkuser-projects.js?v=2026031401"></script>
diff --git a/user-management/web/static/js/tkuser-core.js b/user-management/web/static/js/tkuser-core.js
index 3b2f553..e21c9d1 100644
--- a/user-management/web/static/js/tkuser-core.js
+++ b/user-management/web/static/js/tkuser-core.js
@@ -128,9 +128,6 @@ async function init() {
             await loadDepartmentsCache();
             await loadUsers();
         } else {
-            // 비밀번호 변경은 항상 표시
-            document.getElementById('passwordChangeSection').classList.remove('hidden');
-
             // tkuser 탭별 권한 확인
             try {
                 const result = await api(`/permissions/users/${currentUser.id}/effective-permissions`);
@@ -154,10 +151,8 @@ async function init() {
                         document.getElementById('tabNav').classList.remove('hidden');
                         // 비허용 탭 버튼 숨김
                         document.querySelectorAll('.tab-btn').forEach(btn => {
-                            const onclick = btn.getAttribute('onclick') || '';
-                            const match = onclick.match(/switchTab\('(\w+)'\)/);
-                            if (match) {
-                                const tabName = match[1];
+                            const tabName = btn.getAttribute('data-tab');
+                            if (tabName) {
                                 // permissions 탭은 admin 전용
                                 if (tabName === 'permissions') {
                                     btn.style.display = 'none';
@@ -167,12 +162,20 @@ async function init() {
                             }
                         });
 
-                        // tkuser.users 권한 시 adminSection 표시
+                        // tkuser.users 권한 시 adminSection + passwordChangeSection 표시
                         if (currentUserAllowedTabs.has('users')) {
                             document.getElementById('adminSection').classList.remove('hidden');
+                            document.getElementById('passwordChangeSection').classList.remove('hidden');
                             await loadDepartmentsCache();
                             await loadUsers();
+                        } else {
+                            // users 권한 없음 → tab-users 숨기고 첫 허용 탭으로 자동 전환
+                            document.getElementById('tab-users').classList.add('hidden');
+                            switchTab([...currentUserAllowedTabs][0]);
                         }
+                    } else {
+                        // 아무 권한 없음 → 비밀번호 변경만 표시 (fallback)
+                        document.getElementById('passwordChangeSection').classList.remove('hidden');
                     }
                 }
             } catch(e) {
@@ -194,7 +197,7 @@ async function init() {
             'consumables','notificationRecipients'];
         const urlTab = new URLSearchParams(location.search).get('tab');
         if (urlTab && ALLOWED_TABS.includes(urlTab)) {
-            const tabBtn = document.querySelector(`.tab-btn[onclick*="switchTab('${urlTab}')"]`);
+            const tabBtn = document.querySelector(`.tab-btn[data-tab="${urlTab}"]`);
             if (tabBtn && tabBtn.style.display !== 'none') {
                 tabBtn.click();
                 const url = new URL(location);
diff --git a/user-management/web/static/js/tkuser-tabs.js b/user-management/web/static/js/tkuser-tabs.js
index 2f2edc2..bfb3aab 100644
--- a/user-management/web/static/js/tkuser-tabs.js
+++ b/user-management/web/static/js/tkuser-tabs.js
@@ -1,5 +1,5 @@
 /* ===== Tab ===== */
-function switchTab(name) {
+function switchTab(name, event) {
     // 권한 guard: currentUserAllowedTabs가 Set이면 허용된 탭만 접근
     if (typeof currentUserAllowedTabs !== 'undefined'
         && currentUserAllowedTabs
@@ -8,7 +8,12 @@ function switchTab(name) {
     document.querySelectorAll('[id^="tab-"]').forEach(el => el.classList.add('hidden'));
     document.getElementById('tab-' + name)?.classList.remove('hidden');
     document.querySelectorAll('.tab-btn').forEach(btn => btn.classList.remove('active'));
-    event.currentTarget.classList.add('active');
+    if (event?.currentTarget) {
+        event.currentTarget.classList.add('active');
+    } else {
+        const btn = document.querySelector(`.tab-btn[data-tab="${name}"]`);
+        if (btn) btn.classList.add('active');
+    }
     // 사이드바 레이아웃 탭에서 main/nav/header 너비 확장
     const mainEl = document.querySelector('main');
     const navInner = document.getElementById('tabNavInner');