diff --git a/pkgs/servers/nosql/riak-cs/2.1.1.nix b/pkgs/servers/nosql/riak-cs/2.1.1.nix
index cf807e70596..36b29b57bf9 100644
--- a/pkgs/servers/nosql/riak-cs/2.1.1.nix
+++ b/pkgs/servers/nosql/riak-cs/2.1.1.nix
@@ -65,5 +65,6 @@ stdenv.mkDerivation rec {
     platforms   = [ "x86_64-linux" "x86_64-darwin" ];
     license     = licenses.asl20;
     maintainers = with maintainers; [ mdaiter ];
+    knownVulnerabilities = [ "CVE-2017-3163 - see https://github.com/NixOS/nixpkgs/issues/33876" ];
   };
 }
diff --git a/pkgs/servers/nosql/riak/2.2.0.nix b/pkgs/servers/nosql/riak/2.2.0.nix
index a09b4543cbb..170b0d5f22f 100644
--- a/pkgs/servers/nosql/riak/2.2.0.nix
+++ b/pkgs/servers/nosql/riak/2.2.0.nix
@@ -93,5 +93,6 @@ stdenv.mkDerivation rec {
     description = "Dynamo inspired NoSQL DB by Basho";
     platforms   = [ "x86_64-linux" ];
     license     = licenses.asl20;
+    knownVulnerabilities = [ "CVE-2017-3163 - see https://github.com/NixOS/nixpkgs/issues/33876" ];
   };
 }