diff --git a/pkgs/by-name/ra/radicle-node/package.nix b/pkgs/by-name/ra/radicle-node/package.nix
index 156e1a1b5936..ea0e22803f3c 100644
--- a/pkgs/by-name/ra/radicle-node/package.nix
+++ b/pkgs/by-name/ra/radicle-node/package.nix
@@ -173,5 +173,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
     platforms = lib.platforms.unix;
     teams = [ lib.teams.radicle ];
     mainProgram = "rad";
+    knownVulnerabilities = [
+      # https://radicle.dev/2026/09/23/disclosure-of-vulnerability-in-network-protocol
+      "Private repositories are insecure: traffic between nodes is not encrypted and not authenticated."
+    ];
   };
 })