diff --git a/pkgs/development/python-modules/medallion/default.nix b/pkgs/development/python-modules/medallion/default.nix
new file mode 100644
index 000000000000..04972dc1eb06
--- /dev/null
+++ b/pkgs/development/python-modules/medallion/default.nix
@@ -0,0 +1,45 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  pytestCheckHook,
+  setuptools,
+  flask,
+  flask-httpauth,
+  pytz,
+  six,
+  pymongo,
+}:
+
+buildPythonPackage rec {
+  pname = "medallion";
+  version = "3.0.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "oasis-open";
+    repo = "cti-taxii-server";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-+fWifWi/XR6MSOLhWXn2CFpItVdkOpzQItlrZkjapAk=";
+  };
+
+  build-system = [ setuptools ];
+
+  dependencies = [
+    flask
+    flask-httpauth
+    pymongo
+    pytz
+    six
+  ];
+
+  pythonImportsCheck = [ "medallion" ];
+
+  meta = with lib; {
+    description = "Minimal implementation of a TAXII 2.1 Server in Python";
+    homepage = "https://medallion.readthedocs.io/en/latest/";
+    changelog = "https://github.com/oasis-open/cti-taxii-server/blob/v${version}/CHANGES.txt";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ PapayaJackal ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e386f2980ce1..0c6f17b0ba1a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7823,6 +7823,8 @@ self: super: with self; {
 
   mechanize = callPackage ../development/python-modules/mechanize { };
 
+  medallion = callPackage ../development/python-modules/medallion { };
+
   mediafile = callPackage ../development/python-modules/mediafile { };
 
   mediafire-dl = callPackage ../development/python-modules/mediafire-dl { };