From 04eb1de2eb156adde4d5bd2828ae583f13c61ac5 Mon Sep 17 00:00:00 2001
From: Andreas Haas <ahaas@chromium.org>
Date: Thu, 16 Apr 2026 15:14:16 +0200
Subject: [PATCH] [flags] Set the V8 flag --wasm-unsafe-fast-api-wrapper

The wrappers for fast API calls from wasm were disabled in V8 by default
as they may allow sandbox escapes. This PR re-enables them for node.js.
---
 src/node.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/node.cc b/src/node.cc
index 6e0ad950cc4b3d..1ab8bb95e35078 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -874,6 +874,8 @@ static ExitCode InitializeNodeWithArgsInternal(
   // default value.
   V8::SetFlagsFromString("--rehash-snapshot");
 
+  V8::SetFlagsFromString("--wasm-unsafe-fast-api-wrapper");
+
   HandleEnvOptions(per_process::cli_options->per_isolate->per_env);
 
   std::string node_options;