diff --git a/comfy_cli/command/custom_nodes/command.py b/comfy_cli/command/custom_nodes/command.py
index 5972aa25..d3612801 100644
--- a/comfy_cli/command/custom_nodes/command.py
+++ b/comfy_cli/command/custom_nodes/command.py
@@ -706,6 +706,27 @@ def publish(
     typer.echo("Validating node configuration...")
     config = extract_node_configuration()
 
+    # Run security checks first
+    typer.echo("Running security checks...")
+    try:
+        # Run ruff check with security rules and --exit-zero to only warn
+        cmd = ["ruff", "check", ".", "-q", "--select", "S102,S307", "--exit-zero"]
+        result = subprocess.run(cmd, capture_output=True, text=True)
+
+        if result.stdout:  # Changed from checking returncode to checking if there's output
+            print("[yellow]Security warnings found:[/yellow]")  # Changed from red to yellow to indicate warning
+            print(result.stdout)
+            print("[bold yellow]We will soon disable exec and eval, so this will be an error soon.[/bold yellow]")
+            # TODO: re-enable exit when we disable exec and eval
+            # raise typer.Exit(code=1)
+
+    except FileNotFoundError:
+        print("[red]Ruff is not installed. Please install it with 'pip install ruff'[/red]")
+        raise typer.Exit(code=1)
+    except Exception as e:
+        print(f"[red]Error running security check: {e}[/red]")
+        raise typer.Exit(code=1)
+
     # Prompt for API Key
     if not token:
         token = typer.prompt(
diff --git a/pyproject.toml b/pyproject.toml
index 9faf509a..a782f936 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,6 +41,7 @@ dependencies = [
   "typing-extensions>=4.7.0",
   "uv",
   "websocket-client",
+  "ruff",
   "semver~=3.0.2",
 ]
 
diff --git a/tests/comfy_cli/command/nodes/test_publish.py b/tests/comfy_cli/command/nodes/test_publish.py
new file mode 100644
index 00000000..5b9d2c69
--- /dev/null
+++ b/tests/comfy_cli/command/nodes/test_publish.py
@@ -0,0 +1,89 @@
+from unittest.mock import MagicMock, patch
+
+from typer.testing import CliRunner
+
+from comfy_cli.command.custom_nodes.command import app
+
+runner = CliRunner()
+
+
+def test_publish_fails_on_security_violations():
+    # Mock subprocess.run to simulate security violations
+    mock_result = MagicMock()
+    mock_result.returncode = 1
+    mock_result.stdout = "S102 Use of exec() detected"
+
+    with (
+        patch("subprocess.run", return_value=mock_result),
+        patch("typer.prompt", return_value="test-token"),
+    ):
+        result = runner.invoke(app, ["publish"])
+
+        # TODO: re-enable exit when we disable exec and eval
+        # assert result.exit_code == 1
+        # assert "Security issues found" in result.stdout
+        assert "Security warnings found" in result.stdout
+
+
+def test_publish_continues_on_no_security_violations():
+    # Mock subprocess.run to simulate no violations
+    mock_result = MagicMock()
+    mock_result.returncode = 0
+    mock_result.stdout = ""
+
+    with (
+        patch("subprocess.run", return_value=mock_result),
+        patch("comfy_cli.command.custom_nodes.command.extract_node_configuration") as mock_extract,
+        patch("typer.prompt") as mock_prompt,
+        patch("comfy_cli.command.custom_nodes.command.registry_api.publish_node_version") as mock_publish,
+        patch("comfy_cli.command.custom_nodes.command.zip_files") as mock_zip,
+        patch("comfy_cli.command.custom_nodes.command.upload_file_to_signed_url") as mock_upload,
+    ):
+        # Setup the mocks
+        mock_extract.return_value = {"name": "test-node"}
+        mock_prompt.return_value = "test-token"
+        mock_publish.return_value = MagicMock(signedUrl="https://test.url")
+
+        # Run the publish command
+        _result = runner.invoke(app, ["publish"])
+
+        # Verify the publish flow continued
+        assert mock_extract.called
+        assert mock_publish.called
+        assert mock_zip.called
+        assert mock_upload.called
+
+
+def test_publish_handles_missing_ruff():
+    with patch("subprocess.run", side_effect=FileNotFoundError()):
+        result = runner.invoke(app, ["publish"])
+
+        assert result.exit_code == 1
+        assert "Ruff is not installed" in result.stdout
+
+
+def test_publish_with_token_option():
+    # Mock subprocess.run to simulate no violations
+    mock_result = MagicMock()
+    mock_result.returncode = 0
+    mock_result.stdout = ""
+
+    with (
+        patch("subprocess.run", return_value=mock_result),
+        patch("comfy_cli.command.custom_nodes.command.extract_node_configuration") as mock_extract,
+        patch("comfy_cli.command.custom_nodes.command.registry_api.publish_node_version") as mock_publish,
+        patch("comfy_cli.command.custom_nodes.command.zip_files") as mock_zip,
+        patch("comfy_cli.command.custom_nodes.command.upload_file_to_signed_url") as mock_upload,
+    ):
+        # Setup the mocks
+        mock_extract.return_value = {"name": "test-node"}
+        mock_publish.return_value = MagicMock(signedUrl="https://test.url")
+
+        # Run the publish command with token
+        _result = runner.invoke(app, ["publish", "--token", "test-token"])
+
+        # Verify the publish flow worked with provided token
+        assert mock_extract.called
+        assert mock_publish.called
+        assert mock_zip.called
+        assert mock_upload.called