diff --git a/pkgs/by-name/la/ladybird/package.nix b/pkgs/by-name/la/ladybird/package.nix
index 060f4a37ff83..fe41a6487a06 100644
--- a/pkgs/by-name/la/ladybird/package.nix
+++ b/pkgs/by-name/la/ladybird/package.nix
@@ -220,5 +220,8 @@ stdenv.mkDerivation (finalAttrs: {
     ];
     mainProgram = "Ladybird";
     broken = stdenv.hostPlatform.isDarwin;
+    knownVulnerabilities = [
+      "CVE-2026-58592"
+    ];
   };
 })