diff --git a/pkgs/by-name/so/sope/package.nix b/pkgs/by-name/so/sope/package.nix
index 306e4015ccb4..d60f31678fb3 100644
--- a/pkgs/by-name/so/sope/package.nix
+++ b/pkgs/by-name/so/sope/package.nix
@@ -54,5 +54,6 @@ clangStdenv.mkDerivation rec {
     homepage = "https://github.com/inverse-inc/sope";
     platforms = lib.platforms.linux;
     maintainers = with lib.maintainers; [ jceb ];
+    knownVulnerabilities = [ "CVE-2025-53603" ];
   };
 }