diff --git a/pkgs/tools/security/crlfsuite/default.nix b/pkgs/tools/security/crlfsuite/default.nix
new file mode 100644
index 000000000000..67ccacb2de74
--- /dev/null
+++ b/pkgs/tools/security/crlfsuite/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, fetchFromGitHub
+, python3
+}:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "crlfsuite";
+  version = "2.0";
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "Nefcore";
+    repo = "CRLFsuite";
+    rev = "v${version}";
+    sha256 = "sha256-V/EaOtGDPJQAMu9akOtZN5LKLFd3EQkjn79q7ubV0Mc=";
+  };
+
+  propagatedBuildInputs = with python3.pkgs; [
+    colorama
+    requests
+  ];
+
+  # No tests present
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "crlfsuite"
+  ];
+
+  meta = with lib; {
+    description = "CRLF injection (HTTP Response Splitting) scanner";
+    homepage = "https://github.com/Nefcore/CRLFsuite";
+    license = licenses.mit;
+    maintainers = with maintainers; [ c0bw3b fab ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7f02a6a8aeb1..7df20bfe3083 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4682,6 +4682,8 @@ with pkgs;
 
   cmt = callPackage ../applications/audio/cmt {};
 
+  crlfsuite = callPackage ../tools/security/crlfsuite {};
+
   crlfuzz = callPackage ../tools/security/crlfuzz {};
 
   hedgedoc = callPackage ../servers/web-apps/hedgedoc { };