diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 2f4ff900d8..88cbda4414 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -9,3 +9,5 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+    cooldown:
+      default-days: 4
diff --git a/.github/workflows/build-devel-docs.yaml b/.github/workflows/build-devel-docs.yaml
index 115908c88b..d0c77b3784 100644
--- a/.github/workflows/build-devel-docs.yaml
+++ b/.github/workflows/build-devel-docs.yaml
@@ -5,6 +5,9 @@ name: Scheduled build for devel docs
     # Run at 05:22 daily
     - cron: '22 5 * * *'
 
+permissions:
+  contents: read
+
 jobs:
   build-package-docs:
     name: 📝 Build
diff --git a/.github/workflows/build-latest-docs.yaml b/.github/workflows/build-latest-docs.yaml
index 0427c022c7..d89cdd28ce 100644
--- a/.github/workflows/build-latest-docs.yaml
+++ b/.github/workflows/build-latest-docs.yaml
@@ -5,6 +5,9 @@ name: Scheduled build for latest docs
     # Run at 05:41 on Monday
     - cron: '41 5 * * 1'
 
+permissions:
+  contents: read
+
 jobs:
   build-package-docs:
     name: 📝 Build
diff --git a/.github/workflows/build-package-docs.yaml b/.github/workflows/build-package-docs.yaml
index 566c1f7721..5bc73e4983 100644
--- a/.github/workflows/build-package-docs.yaml
+++ b/.github/workflows/build-package-docs.yaml
@@ -51,6 +51,9 @@ name: Build and deploy docs
         - production
         - test
 
+permissions:
+  contents: read
+
 jobs:
   build-package-docs:
     name: 📝 Build
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 58ab8908fa..93ee76ba72 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,6 +16,9 @@ name: Ansible Docsite CI
     - ready_for_review  # used in PRs created from GitHub Actions workflows
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   nox:
     uses: ./.github/workflows/reusable-nox.yml
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index c2ad213f33..1fbd9905b4 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -3,7 +3,9 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 "on":
-  pull_request_target:
+  # This workflow does not execute untrusted code from pull requests and all
+  # inputs are properly sanitized,
+  pull_request_target: # zizmor: ignore[dangerous-triggers]
     types:
     - opened  # default
     - synchronize  # default
@@ -29,6 +31,9 @@
 
 name: "Triage Issues and PRs"
 
+permissions:
+  contents: read
+
 jobs:
   label_prs:
     runs-on: ubuntu-latest
@@ -48,6 +53,8 @@ jobs:
           private-key: ${{ secrets.BOT_APP_KEY }}
       - name: Checkout parent repository
         uses: actions/checkout@v5
+        with:
+          persist-credentials: false
       - name: Install Python 3.12
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/pip-compile-dev.yml b/.github/workflows/pip-compile-dev.yml
index a828e9bdf5..c8a6cbd741 100644
--- a/.github/workflows/pip-compile-dev.yml
+++ b/.github/workflows/pip-compile-dev.yml
@@ -13,6 +13,9 @@ name: "Refresh dev dependencies"
         required: false
         type: string
 
+permissions:
+  contents: read
+
 jobs:
   refresh:
     strategy:
@@ -71,4 +74,9 @@ jobs:
       python-versions: "${{ matrix.python-versions }}"
       reset-branch: "${{ inputs.reset-branch || false }}"
       labels: "${{ inputs.labels || 'no_backport,tooling' }}"
-    secrets: inherit
+    # Pass using inherit, as this seems to be the only possible way to access
+    # secrets defined in an enviornment when using nested workflows.
+    secrets: inherit  # zizmor: ignore[secrets-inherit]
+    # secrets:
+    #   BOT_APP_ID: "${{ secrets.BOT_APP_ID }}"
+    #   BOT_APP_KEY: "${{ secrets.BOT_APP_KEY }}"
diff --git a/.github/workflows/pip-compile-docs.yml b/.github/workflows/pip-compile-docs.yml
index 4e6d44fce5..2ae80090eb 100644
--- a/.github/workflows/pip-compile-docs.yml
+++ b/.github/workflows/pip-compile-docs.yml
@@ -19,6 +19,9 @@ name: "Refresh docs build dependencies"
         required: false
         type: string
 
+permissions:
+  contents: read
+
 jobs:
   refresh:
     name: "Refresh docs build dependencies"
@@ -33,4 +36,9 @@ jobs:
       reset-branch: "${{ inputs.reset-branch || false }}"
       labels: "${{ inputs.labels || 'doc builds,no_backport' }}"
       python-versions: "3.12"
-    secrets: inherit
+    # Pass using inherit, as this seems to be the only possible way to access
+    # secrets defined in an enviornment when using nested workflows.
+    secrets: inherit  # zizmor: ignore[secrets-inherit]
+    # secrets:
+    #   BOT_APP_ID: "${{ secrets.BOT_APP_ID }}"
+    #   BOT_APP_KEY: "${{ secrets.BOT_APP_KEY }}"
diff --git a/.github/workflows/release-porting-guide.yml b/.github/workflows/release-porting-guide.yml
index 4c96d43829..5f99378829 100644
--- a/.github/workflows/release-porting-guide.yml
+++ b/.github/workflows/release-porting-guide.yml
@@ -12,6 +12,8 @@ on:
         description: >-
           Exact release version. For example, 12.1.0
         required: true
+permissions:
+  contents: read
 
 jobs:
   upload-porting-guide:
@@ -40,6 +42,7 @@ jobs:
         uses: actions/checkout@v5
         with:
           token: ${{ steps.create_token.outputs.token }}
+          persist-credentials: true  # Needed to push to the repo
 
       - name: Check out ansible-build-data
         uses: actions/checkout@v5
@@ -47,6 +50,7 @@ jobs:
           repository: ansible-community/ansible-build-data
           ref: ${{ inputs.ansible-build-data-branch }}
           path: ansible-build-data
+          persist-credentials: false
 
       - name: Copy the RST file to the correct path
         run: >-
diff --git a/.github/workflows/reusable-build-docs.yaml b/.github/workflows/reusable-build-docs.yaml
index 0dd7b27725..ec190cde66 100644
--- a/.github/workflows/reusable-build-docs.yaml
+++ b/.github/workflows/reusable-build-docs.yaml
@@ -32,9 +32,6 @@ name: Build docs
       DOCS_BOT_TOKEN:
         required: true
 
-env:
-  PACKAGE_VERSION: ${{ inputs.ansible-package-version }}
-
 jobs:
   build-package-docs:
     runs-on: ubuntu-latest
@@ -50,6 +47,7 @@ jobs:
           }}
         ref: ${{ inputs.repository-branch }}
         path: build-directory
+        persist-credentials: false
 
     - name: Setup nox
       uses: wntrblm/nox@2025.10.16
@@ -68,19 +66,22 @@ jobs:
         -c tests/requirements.txt
       working-directory: build-directory
 
-    - name: Set the VERSION variable
-      run: echo VERSION="${PACKAGE_VERSION}" >> "${GITHUB_ENV}"
-
     - name: Build the Ansible community package docs
-      run: >-
-        make webdocs ${{
+      env:
+        PACKAGE_VERSION: "${{ inputs.ansible-package-version }}"
+      run: |
+        # Clear PACKAGE_VERSION if it's set to devel
+        if [ "${PACKAGE_VERSION}" = "devel" ]; then
+          PACKAGE_VERSION=""
+        fi
+        make webdocs ANSIBLE_VERSION="${PACKAGE_VERSION}" ${{
           inputs.generate-redirects && 'EXTRA_TAGS="-t redirects"' || ''
-        }} ANSIBLE_VERSION="${{
-          env.PACKAGE_VERSION != 'devel' && env.PACKAGE_VERSION || ''
-        }}"
+        }}
       working-directory: build-directory/docs/docsite
 
     - name: Create a tarball with the build contents
+      env:
+        PACKAGE_VERSION: "${{ inputs.ansible-package-version }}"
       run: >-
         tar -czvf
         ansible-package-docs-html-"${PACKAGE_VERSION}"-"$(date '+%Y-%m-%d')"-${{
@@ -116,8 +117,10 @@ jobs:
       run: echo "TX_ID=$(date +%s)" >> "${GITHUB_ENV}"
 
     - name: Notify the DaWGs in Matrix
+      # FAIL_MESSAGE is trusted input so okay to inject here.
+      # zizmor: ignore[template-injection]
       run: |
-        curl -X PUT "${{ env.ROOM_URL }}/${TX_ID}" \
+        curl -X PUT "${ROOM_URL}/${TX_ID}" \
              -H "Authorization: Bearer ${{ secrets.DOCS_BOT_TOKEN }}" \
              -H "Content-Type: application/json" \
              -d '{"msgtype": "m.text", "body": "${{ env.FAIL_MESSAGE }}"}'
diff --git a/.github/workflows/reusable-deploy-docs.yaml b/.github/workflows/reusable-deploy-docs.yaml
index 2dc41fb1ae..095fc5e34c 100644
--- a/.github/workflows/reusable-deploy-docs.yaml
+++ b/.github/workflows/reusable-deploy-docs.yaml
@@ -33,13 +33,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Log the workflow inputs if deployed
+      env:
+        deployment_environment: "${{ inputs.deployment-environment }}"
+        package_version: "${{ inputs.ansible-package-version }}"
+        owner: "${{ inputs.repository-owner }}"
+        branch: "${{ inputs.repository-branch }}"
       run: |
         {
           echo "## Deployment details :shipit:";
-          echo "Publish to: ${{ inputs.deployment-environment }}";
-          echo "Package version: ${{ inputs.ansible-package-version }}";
-          echo "Owner: ${{ inputs.repository-owner }}";
-          echo "Branch: ${{ inputs.repository-branch }}";
+          echo "Publish to: ${deployment_environment}";
+          echo "Package version: ${package_version}";
+          echo "Owner: ${owner}";
+          echo "Branch: ${branch}";
         } >> "${GITHUB_STEP_SUMMARY}"
 
   deploy-package-docs:
diff --git a/.github/workflows/reusable-nox.yml b/.github/workflows/reusable-nox.yml
index c46f4a4552..08c1df6421 100644
--- a/.github/workflows/reusable-nox.yml
+++ b/.github/workflows/reusable-nox.yml
@@ -34,10 +34,14 @@ jobs:
           - session: "pip-compile"
             extra-args: "--check"
             python-versions: "3.12"
+          - session: "zizmor"
+            python-versions: "3.12"
     name: "Run nox ${{ matrix.session }} session"
     steps:
       - name: Check out repo
         uses: actions/checkout@v5
+        with:
+          persist-credentials: false
       - name: Setup nox
         uses: wntrblm/nox@2025.10.16
         with:
@@ -46,7 +50,8 @@ jobs:
         run: |
           nox -e clone-core
       - name: "Run nox -e ${{ matrix.session }}"
+        # Using GHA expression interpolation is fine here,
+        # as we control all the inputs.
+        # zizmor: ignore[template-injection]
         run: |
-          # Using GHA expression interpolation is fine here,
-          # as we control all the inputs.
           nox -e "${{ matrix.session }}" -- ${{ matrix.extra-args }}
diff --git a/.github/workflows/reusable-pip-compile.yml b/.github/workflows/reusable-pip-compile.yml
index 5c03236a6d..078ed638e2 100644
--- a/.github/workflows/reusable-pip-compile.yml
+++ b/.github/workflows/reusable-pip-compile.yml
@@ -35,23 +35,21 @@ name: "Refresh pinned dependencies"
       python-versions:
         type: string
         required: true
+
+permissions:
+  contents: read
+
 jobs:
   refresh:
     runs-on: ubuntu-latest
     environment: github-bot
     steps:
-      - name: Generate temp GITHUB_TOKEN
-        id: create_token
-        uses: actions/create-github-app-token@v2
-        with:
-          app-id: ${{ secrets.BOT_APP_ID }}
-          private-key: ${{ secrets.BOT_APP_KEY }}
       - name: Check out repo
         uses: actions/checkout@v5
         with:
           fetch-depth: 0
           ref: "${{ inputs.base-branch }}"
-          token: "${{ steps.create_token.outputs.token }}"
+          persist-credentials: false
       - name: Fetch required contents of ansible-core
         run: |
           python docs/bin/clone-core.py
@@ -82,9 +80,23 @@ jobs:
         env:
           # Ensure the latest pip version is used
           VIRTUALENV_DOWNLOAD: '1'
-          #
+        # nox-args is defined statically in the calling workflows and passing it
+        # as a shell variable presents quoting issues, so ignore zizmor error
+        # for now.
+        # zizmor: ignore[template-injection]
         run: |
           nox ${{ inputs.nox-args }}
+      - name: Generate temp GITHUB_TOKEN
+        id: create_token
+        uses: actions/create-github-app-token@v2
+        with:
+          app-id: ${{ secrets.BOT_APP_ID }}
+          private-key: ${{ secrets.BOT_APP_KEY }}
+      # We could rely on the checkout action to persist the token in the
+      # repository config, but this way, we can prevent the previous steps
+      # from having unnecessary access.
+      - name: "Set up token authentication"
+        run: gh auth setup-git --force --hostname github.com
       - name: Push new dependency versions and create a PR
         env:
           GITHUB_TOKEN: ${{ steps.create_token.outputs.token }}
diff --git a/.github/workflows/tag.yml b/.github/workflows/tag.yml
index 855a241a5a..7d4fd21337 100644
--- a/.github/workflows/tag.yml
+++ b/.github/workflows/tag.yml
@@ -11,6 +11,9 @@ name: Sync tags with ansible-core releases
   schedule:
     - cron: "0 * * * *"  # Hourly
 
+permissions:
+  contents: read  # read-only because we use bot token to push
+
 jobs:
   tag:
     runs-on: "ubuntu-latest"
@@ -30,12 +33,14 @@ jobs:
           path: ansible-documentation
           fetch-depth: 0
           token: "${{ steps.create_token.outputs.token }}"
+          persist-credentials: true
       - name: Check out core
         uses: actions/checkout@v5
         with:
           repository: ansible/ansible
           path: ansible
           fetch-depth: 0
+          persist-credentials: false
       - name: Setup nox
         uses: wntrblm/nox@2025.10.16
         with:
diff --git a/.github/zizmor.yml b/.github/zizmor.yml
new file mode 100644
index 0000000000..9dbdee8ad3
--- /dev/null
+++ b/.github/zizmor.yml
@@ -0,0 +1,7 @@
+rules:
+  unpinned-uses:
+    config:
+      policies:
+        "wntrblm/nox": ref-pin
+        "re-actors/alls-green": ref-pin
+        "actions/*": ref-pin
diff --git a/README.md b/README.md
index ae2ba67ce8..8c5f80e498 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ The `nox` configuration also contains session to run automated docs checkers.
   If you want to view the generated HTML in your browser, you should build the documentation locally.
   See [Building the documentation locally](https://docs.ansible.com/ansible/latest/community/documentation_contributions.html#building-the-documentation-locally) for more information.
 
-* Lint, type check, and format Python scripts in this repository.
+* Lint, type check, and format Python scripts in this repository and lint the Github Actions workflows for syntax and security issues:
 
   ``` bash
   nox -s lint
diff --git a/noxfile.py b/noxfile.py
index 6ac33a3f13..053179f6ec 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -140,6 +140,15 @@ def actionlint(session: nox.Session) -> None:
     )
 
 
+@nox.session
+def zizmor(session: nox.Session) -> None:
+    """
+    Ren zizmor, a Github Actions security checker
+    """
+    install(session, req="zizmor")
+    session.run("zizmor", "--persona=regular", ".github/workflows")
+
+
 @nox.session
 def lint(session: nox.Session):
     session.notify("typing")
diff --git a/tests/zizmor.in b/tests/zizmor.in
new file mode 100644
index 0000000000..d0c4882581
--- /dev/null
+++ b/tests/zizmor.in
@@ -0,0 +1 @@
+zizmor
diff --git a/tests/zizmor.txt b/tests/zizmor.txt
new file mode 100644
index 0000000000..9cbdbd2f23
--- /dev/null
+++ b/tests/zizmor.txt
@@ -0,0 +1,4 @@
+# This file was autogenerated by uv via the following command:
+#    uv pip compile --universal --output-file tests/zizmor.txt tests/zizmor.in
+zizmor==1.16.0
+    # via -r tests/zizmor.in