diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0b4e0aea9a..d09a4d71df 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -76,7 +76,7 @@ jobs:
         run: curl -sL https://firebase.tools/ | sed s/latest/v15.2.1/ | bash
       - name: Build site
         run: dart run dash_site build
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@670825a89dc0abd596e7a3abd0f5e3f6e5faf37c
         with:
           node-version: 24
       - name: Translated (docs.flutter.cn)
@@ -121,7 +121,7 @@ jobs:
         run: dart pub get
       - name: Build site
         run: dart run dash_site build --release
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@670825a89dc0abd596e7a3abd0f5e3f6e5faf37c
         with:
           node-version: 24
       - name: Translated (docs.flutter.cn)
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
new file mode 100644
index 0000000000..3128a27fe9
--- /dev/null
+++ b/.github/workflows/codeql-analysis.yml
@@ -0,0 +1,61 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches:
+      - main
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    if: github.repository == 'cfug/flutter.cn'
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'javascript' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
+        # Learn more about CodeQL language support at https://git.io/codeql-language-support
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@68bde559dea0fdcac2102bfdf6230c5f70eb485e
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@68bde559dea0fdcac2102bfdf6230c5f70eb485e
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@68bde559dea0fdcac2102bfdf6230c5f70eb485e
diff --git a/.github/workflows/compile_host_redirect_js.yml b/.github/workflows/compile_host_redirect_js.yml
index 92ad33a142..bd82dcb4b7 100644
--- a/.github/workflows/compile_host_redirect_js.yml
+++ b/.github/workflows/compile_host_redirect_js.yml
@@ -22,15 +22,15 @@ jobs:
             github.repository == 'cfug/flutter.cn' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/setup-node@670825a89dc0abd596e7a3abd0f5e3f6e5faf37c
         with:
           node-version: ${{ env.NODE_VERSION }}
       - name: Build JS
         run: bash ./tool/host-redirect/build.sh
         shell: bash
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v8
+        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1
         with:
           token: ${{ secrets.DOCS_REPO_DEPLOY_TOKEN }}
           base: main
diff --git a/.github/workflows/stage.yml b/.github/workflows/stage.yml
index d01e4ab228..9a1f4c658b 100644
--- a/.github/workflows/stage.yml
+++ b/.github/workflows/stage.yml
@@ -28,7 +28,7 @@ jobs:
         run: dart pub get
       - name: Build site
         run: dart run dash_site build --release
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@670825a89dc0abd596e7a3abd0f5e3f6e5faf37c
         with:
           node-version: 24
       - name: Translated (docs.flutter.cn)
diff --git a/.github/workflows/translator_bot.yml b/.github/workflows/translator_bot.yml
index 44109d28eb..5dd2c499d9 100644
--- a/.github/workflows/translator_bot.yml
+++ b/.github/workflows/translator_bot.yml
@@ -8,6 +8,10 @@ jobs:
   translator-bot-job:
     runs-on: ubuntu-latest
     name: translator-bot
+    permissions:
+      contents: write
+      issues: write
+      pull-requests: write
     if: |
       github.repository == 'cfug/flutter.cn' &&
       github.event_name == 'issue_comment' &&