diff --git a/.github/actions/setup-node/action.yml b/.github/actions/setup-node/action.yml
index f06c0006d..dd8173be6 100644
--- a/.github/actions/setup-node/action.yml
+++ b/.github/actions/setup-node/action.yml
@@ -19,7 +19,7 @@ runs:
       shell: bash
 
     - name: Cache yarn cache
-      uses: actions/cache@v3
+      uses: actions/cache@4723a57e26efda3a62cbde1812113b730952852d # v3.2.2
       id: yarn-cache
       with:
         path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
@@ -28,7 +28,7 @@ runs:
           ${{ runner.os }}-yarn-${{ inputs.NODE_VERSION }}
 
     - name: Set up NodeJS
-      uses: actions/setup-node@v3
+      uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
       with:
         node-version: ${{ inputs.NODE_VERSION }}
 
diff --git a/.github/workflows/backend-docker-cleanup.yml b/.github/workflows/backend-docker-cleanup.yml
index 12865b988..07bb9b2b8 100644
--- a/.github/workflows/backend-docker-cleanup.yml
+++ b/.github/workflows/backend-docker-cleanup.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Cleanup CI containers
-        uses: snok/container-retention-policy@v1
+        uses: snok/container-retention-policy@6601a342b42bf08909bbd5b48736d4176100365b # v1.5.1
         with:
           image-names: hedgedoc-ci
           cut-off: A day ago UTC
diff --git a/.github/workflows/backend-docker.yml b/.github/workflows/backend-docker.yml
index 12245baf4..eee708f14 100644
--- a/.github/workflows/backend-docker.yml
+++ b/.github/workflows/backend-docker.yml
@@ -29,12 +29,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for backend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -49,16 +49,16 @@ jobs:
     needs: changes
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@8c0edbc76e98fa90f69d9a2c020dcb50019dc325 # v2.2.1
         if: needs.changes.outputs.changed == 'true'
 
       - name: Login to GHCR
         if: needs.changes.outputs.changed == 'true'
-        uses: docker/login-action@v2
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -66,7 +66,7 @@ jobs:
 
       - name: Build dev image
         if: needs.changes.outputs.changed == 'true'
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5 # v3.2.0
         with:
           push: true
           file: backend/docker/Dockerfile
@@ -99,13 +99,13 @@ jobs:
     if: (github.event_name == 'pull_request_target') == github.event.pull_request.head.repo.fork
     needs: [ sqlite-test, sqlite-e2e, changes ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
 
       - name: Generate Docker metadata
         if: needs.changes.outputs.changed == 'true'
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@57396166ad8aefe6098280995947635806a0e6ea # v4.1.1
         with:
           images: ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}
           tags: |
@@ -115,16 +115,16 @@ jobs:
             type=semver,pattern={{major}}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18 # v2.1.0
         if: needs.changes.outputs.changed == 'true'
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@8c0edbc76e98fa90f69d9a2c020dcb50019dc325 # v2.2.1
         if: needs.changes.outputs.changed == 'true'
 
       - name: Login to GHCR
         if: github.event_name == 'push' && needs.changes.outputs.changed == 'true'
-        uses: docker/login-action@v2
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -132,7 +132,7 @@ jobs:
 
       - name: Build and push
         if: needs.changes.outputs.changed == 'true'
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5 # v3.2.0
         with:
           push: ${{ github.event_name == 'push' }}
           file: backend/docker/Dockerfile
diff --git a/.github/workflows/backend-e2e-tests.yml b/.github/workflows/backend-e2e-tests.yml
index d600eef70..3e833f3f6 100644
--- a/.github/workflows/backend-e2e-tests.yml
+++ b/.github/workflows/backend-e2e-tests.yml
@@ -30,12 +30,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for backend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -49,7 +49,7 @@ jobs:
     needs: changes
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
         with:
           fetch-depth: 0
@@ -84,7 +84,7 @@ jobs:
         ports:
           - 3306:3306
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
         with:
           fetch-depth: 0
@@ -113,7 +113,7 @@ jobs:
         ports:
           - 5432:5432
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
         with:
           fetch-depth: 0
diff --git a/.github/workflows/backend-tests.yml b/.github/workflows/backend-tests.yml
index ee3d3547b..970c83d61 100644
--- a/.github/workflows/backend-tests.yml
+++ b/.github/workflows/backend-tests.yml
@@ -31,12 +31,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for backend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -50,7 +50,7 @@ jobs:
     needs: changes
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
 
       - name: Setup node
@@ -69,7 +69,7 @@ jobs:
       matrix:
         node-version: [ 14.x, 16.x, 18.x ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
 
       - name: Setup node
@@ -85,7 +85,7 @@ jobs:
     needs: changes
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
         with:
           fetch-depth: 0
@@ -99,7 +99,7 @@ jobs:
       - run: yarn run test:cov
         if: needs.changes.outputs.changed == 'true'
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@d9f34f8cd5cb3b3eb79b3e4b5dae3a16df499a70 # v3.1.1
         if: needs.changes.outputs.changed == 'true'
         with:
           directory: backend/coverage
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a608acbf4..c19159e60 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -34,6 +34,10 @@ on:
   schedule:
     - cron: '15 4 * * 3'
 
+permissions:
+  contents: read
+  security-events: write
+
 jobs:
   analyze:
     name: Analyze
@@ -53,11 +57,11 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@959cbb7472c4d4ad70cdfe6f4976053fe48ab394 # v2.1.37
         with:
           languages: ${{ matrix.language }}
           queries: +security-and-quality
@@ -69,7 +73,7 @@ jobs:
       # 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@v2
+        uses: github/codeql-action/autobuild@959cbb7472c4d4ad70cdfe6f4976053fe48ab394 # v2.1.37
 
       # ℹ️ Command-line programs to run using the OS shell.
       # 📚 https://git.io/JvXDl
@@ -83,6 +87,6 @@ jobs:
       #   make release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@959cbb7472c4d4ad70cdfe6f4976053fe48ab394 # v2.1.37
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/commons-lint.yml b/.github/workflows/commons-lint.yml
index b3ba95645..50bcee7d3 100644
--- a/.github/workflows/commons-lint.yml
+++ b/.github/workflows/commons-lint.yml
@@ -26,12 +26,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for frontend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -47,7 +47,7 @@ jobs:
     steps:
       - name: Checkout repository
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup node
         if: needs.changes.outputs.changed == 'true'
diff --git a/.github/workflows/commons-tests.yml b/.github/workflows/commons-tests.yml
index 4a07f49af..bf54f589e 100644
--- a/.github/workflows/commons-tests.yml
+++ b/.github/workflows/commons-tests.yml
@@ -27,12 +27,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for frontend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -51,7 +51,7 @@ jobs:
     steps:
       - name: Checkout repository
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup node
         if: needs.changes.outputs.changed == 'true'
diff --git a/.github/workflows/frontend-docker.yml b/.github/workflows/frontend-docker.yml
index 52188e644..1b1475d0e 100644
--- a/.github/workflows/frontend-docker.yml
+++ b/.github/workflows/frontend-docker.yml
@@ -16,6 +16,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.job }}
   cancel-in-progress: true
 
+permissions:
+  contents: read
+
 jobs:
   changes:
     name: Check for frontend changes
@@ -25,12 +28,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for frontend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -44,13 +47,13 @@ jobs:
     needs: changes
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: needs.changes.outputs.changed == 'true'
 
       - name: Generate Docker metadata
         if: needs.changes.outputs.changed == 'true'
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@57396166ad8aefe6098280995947635806a0e6ea # v4.1.1
         with:
           images: ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}
           tags: |
@@ -61,15 +64,15 @@ jobs:
 
       - name: Set up QEMU
         if: needs.changes.outputs.changed == 'true'
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18 # v2.1.0
 
       - name: Set up Docker Buildx
         if: needs.changes.outputs.changed == 'true'
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@8c0edbc76e98fa90f69d9a2c020dcb50019dc325 # v2.2.1
 
       - name: Login to GHCR
         if: github.event_name != 'pull_request' && needs.changes.outputs.changed == 'true'
-        uses: docker/login-action@v2
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
@@ -77,7 +80,7 @@ jobs:
 
       - name: Build and push
         if: needs.changes.outputs.changed == 'true'
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5 # v3.2.0
         with:
           push: true
           file: frontend/docker/Dockerfile
diff --git a/.github/workflows/frontend-e2e-tests.yml b/.github/workflows/frontend-e2e-tests.yml
index 936ab7301..711a8fd21 100644
--- a/.github/workflows/frontend-e2e-tests.yml
+++ b/.github/workflows/frontend-e2e-tests.yml
@@ -36,12 +36,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for frontend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -59,13 +59,13 @@ jobs:
     steps:
       - name: Check out repo
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           ref: ${{ env.HEAD_COMMIT_HASH }}
 
       - name: Cache build
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/cache@v3.2.2
+        uses: actions/cache@4723a57e26efda3a62cbde1812113b730952852d # v3.2.2
         id: build-cache
         with:
           path: frontend/.next
@@ -81,7 +81,7 @@ jobs:
         if: steps.build-cache.outputs.cache-hit != 'true' && needs.changes.outputs.changed == 'true'
         run: yarn build:test
 
-      - uses: actions/upload-artifact@master
+      - uses: actions/upload-artifact@0c366cb4fc8897159c94880f94b55bc716ad6a66 # master
         if: needs.changes.outputs.changed == 'true'
         with:
           retention-days: 1
@@ -108,11 +108,11 @@ jobs:
     steps:
       - name: Check out repo
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Cache build
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/cache@v3.2.2
+        uses: actions/cache@4723a57e26efda3a62cbde1812113b730952852d # v3.2.2
         id: build-cache
         with:
           path: frontend/.next
@@ -125,7 +125,7 @@ jobs:
 
       - name: Cache yarn cache
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/cache@v3
+        uses: actions/cache@4723a57e26efda3a62cbde1812113b730952852d # v3.2.2
         id: yarn-cache
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
@@ -135,7 +135,7 @@ jobs:
 
       - name: Set up NodeJS
         if: steps.build-cache.outputs.cache-hit != 'true' && needs.changes.outputs.changed == 'true'
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
         with:
           node-version: ${{ env.NODE_VERSION }}
 
@@ -145,7 +145,7 @@ jobs:
 
       - name: Download built frontend
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/download-artifact@master
+        uses: actions/download-artifact@2a5974104b6d5dbdb2f9468a3e54da3bdd241578 # master
         with:
           name: e2e-build
           path: frontend/.next
@@ -167,7 +167,7 @@ jobs:
           CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/upload-artifact@master
+      - uses: actions/upload-artifact@0c366cb4fc8897159c94880f94b55bc716ad6a66 # master
         if: needs.changes.outputs.changed == 'true'
         with:
           name: screenshots
diff --git a/.github/workflows/frontend-lint.yml b/.github/workflows/frontend-lint.yml
index 348c5a360..7a7ed9919 100644
--- a/.github/workflows/frontend-lint.yml
+++ b/.github/workflows/frontend-lint.yml
@@ -26,12 +26,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for frontend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -48,7 +48,7 @@ jobs:
     steps:
       - name: Checkout repository
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup node
         if: needs.changes.outputs.changed == 'true'
diff --git a/.github/workflows/frontend-netlify-deploy-main.yml b/.github/workflows/frontend-netlify-deploy-main.yml
index c55b9508f..a9e5c4085 100644
--- a/.github/workflows/frontend-netlify-deploy-main.yml
+++ b/.github/workflows/frontend-netlify-deploy-main.yml
@@ -29,12 +29,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for frontend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -51,7 +51,7 @@ jobs:
     steps:
       - name: Checkout repository
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup node
         if: needs.changes.outputs.changed == 'true'
diff --git a/.github/workflows/frontend-netlify-deploy-pr.yml b/.github/workflows/frontend-netlify-deploy-pr.yml
index e34616df0..615f9a7d4 100644
--- a/.github/workflows/frontend-netlify-deploy-pr.yml
+++ b/.github/workflows/frontend-netlify-deploy-pr.yml
@@ -47,12 +47,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for frontend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -72,7 +72,7 @@ jobs:
     steps:
       - name: Checkout repository
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
@@ -108,7 +108,7 @@ jobs:
 
       - name: Mark GitHub deployment as started
         if: needs.changes.outputs.changed == 'true'
-        uses: bobheadxi/deployments@v1.3.0
+        uses: bobheadxi/deployments@9d4477fdaa4120020cd10ab7e97f68c801422e73 # v1.3.0
         id: github-deployment
         with:
           step: start
@@ -129,7 +129,7 @@ jobs:
 
       - name: Mark GitHub deployment as finished
         if: needs.changes.outputs.changed == 'true'
-        uses: bobheadxi/deployments@v1.3.0
+        uses: bobheadxi/deployments@9d4477fdaa4120020cd10ab7e97f68c801422e73 # v1.3.0
         with:
           step: finish
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/frontend-test-and-build.yml b/.github/workflows/frontend-test-and-build.yml
index a484ed1cc..5c5ba3d76 100644
--- a/.github/workflows/frontend-test-and-build.yml
+++ b/.github/workflows/frontend-test-and-build.yml
@@ -27,12 +27,12 @@ jobs:
     outputs:
       changed: ${{ github.event_name == 'push' || steps.changed.outputs.files }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
         if: github.event_name != 'push'
 
       - name: Check for frontend file changes
         if: github.event_name != 'push'
-        uses: dorny/paths-filter@v2
+        uses: dorny/paths-filter@4512585405083f25c027a35db413c2b3b9006d50 # v2.11.1
         id: changed
         with:
           filters: |
@@ -52,7 +52,7 @@ jobs:
     steps:
       - name: Checkout repository
         if: needs.changes.outputs.changed == 'true'
-        uses: actions/checkout@v3
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
 
       - name: Setup node
         if: needs.changes.outputs.changed == 'true'
diff --git a/.github/workflows/njsscan-analysis.yml b/.github/workflows/njsscan-analysis.yml
index 10b91c249..f87eb20d5 100644
--- a/.github/workflows/njsscan-analysis.yml
+++ b/.github/workflows/njsscan-analysis.yml
@@ -19,13 +19,13 @@ jobs:
     name: Njsscan code scanning
     steps:
     - name: Checkout the code
-      uses: actions/checkout@v3
+      uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
     - name: Scan with njsscan
       id: njsscan
-      uses: ajinabraham/njsscan-action@master
+      uses: ajinabraham/njsscan-action@d58d8b2f26322cd35a9efb8003baac517f226d81 # master
       with:
         args: '--sarif --output results.sarif src || true'
     - name: Upload njsscan report
-      uses: github/codeql-action/upload-sarif@v2
+      uses: github/codeql-action/upload-sarif@959cbb7472c4d4ad70cdfe6f4976053fe48ab394 # v2.1.37
       with:
         sarif_file: results.sarif
diff --git a/.github/workflows/reuse.yml b/.github/workflows/reuse.yml
index 93f5be626..7296dbba5 100644
--- a/.github/workflows/reuse.yml
+++ b/.github/workflows/reuse.yml
@@ -14,6 +14,6 @@ jobs:
   reuse:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
       - name: REUSE Compliance Check
-        uses: fsfe/reuse-action@v1
+        uses: fsfe/reuse-action@e7a435374d26d54b324fa6699d8eafb076340dfd # v1.2.0