diff --git a/.github/codeql/codeql-config.yml b/.github/codeql/codeql-config.yml
new file mode 100644
index 0000000000..f963eb749c
--- /dev/null
+++ b/.github/codeql/codeql-config.yml
@@ -0,0 +1,18 @@
+name: "Aletheia CodeQL Configuration"
+
+queries:
+  - uses: security-and-quality
+
+packs:
+  csharp:
+    - .github/codeql/extensions
+
+query-filters:
+  - exclude:
+      id: cs/log-forging
+
+paths-ignore:
+  - node_modules
+  - _output
+  - _tests
+  - _artifacts
diff --git a/.github/codeql/extensions/log-sanitizers.yml b/.github/codeql/extensions/log-sanitizers.yml
new file mode 100644
index 0000000000..0b6e96ecc1
--- /dev/null
+++ b/.github/codeql/extensions/log-sanitizers.yml
@@ -0,0 +1,7 @@
+extensions:
+  - addsTo:
+      pack: codeql/csharp-all
+      extensible: summaryModel
+    data:
+      - ["NzbDrone.Common.Extensions", "StringExtensions", false, "SanitizeForLog", "(System.String,System.Int32)", "", "Argument[this]", "ReturnValue", "taint", "manual"]
+
diff --git a/.github/codeql/extensions/qlpack.yml b/.github/codeql/extensions/qlpack.yml
new file mode 100644
index 0000000000..b0be60e5a0
--- /dev/null
+++ b/.github/codeql/extensions/qlpack.yml
@@ -0,0 +1,6 @@
+name: aletheia/codeql-extensions
+version: 1.0.0
+extensionTargets:
+  codeql/csharp-all: "*"
+dataExtensions:
+  - log-sanitizers.yml
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000000..2662796200
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,53 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [develop, master]
+  pull_request:
+    branches: [develop, master]
+  schedule:
+    - cron: '0 0 * * 0'
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      packages: read
+      actions: read
+      contents: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - language: csharp
+            build-mode: manual
+          - language: javascript-typescript
+            build-mode: none
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: ${{ matrix.language }}
+          config-file: .github/codeql/codeql-config.yml
+
+      - name: Setup .NET
+        if: matrix.language == 'csharp'
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '8.0.x'
+
+      - name: Build C#
+        if: matrix.language == 'csharp'
+        run: dotnet build src/Radarr.sln --configuration Release
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
+        with:
+          category: "/language:${{matrix.language}}"