diff --git a/src/Components/test/E2ETest/Tests/BinaryHttpClientTest.cs b/src/Components/test/E2ETest/Tests/BinaryHttpClientTest.cs
index 291b5824ca..0a316bbbca 100644
--- a/src/Components/test/E2ETest/Tests/BinaryHttpClientTest.cs
+++ b/src/Components/test/E2ETest/Tests/BinaryHttpClientTest.cs
@@ -6,6 +6,7 @@ using BasicTestApp;
 using BasicTestApp.HttpClientTest;
 using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures;
 using Microsoft.AspNetCore.E2ETesting;
+using Microsoft.AspNetCore.Testing;
 using OpenQA.Selenium;
 using OpenQA.Selenium.Support.UI;
 using TestServer;
@@ -44,6 +45,7 @@ namespace Microsoft.AspNetCore.Components.E2ETest.Tests
         }
 
         [Fact]
+        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/23366")]
         public void CanSendAndReceiveBytes()
         {
             IssueRequest("/subdir/api/data");
diff --git a/src/Components/test/E2ETest/Tests/ComponentRenderingTest.cs b/src/Components/test/E2ETest/Tests/ComponentRenderingTest.cs
index f85aed4bb5..b933ac426f 100644
--- a/src/Components/test/E2ETest/Tests/ComponentRenderingTest.cs
+++ b/src/Components/test/E2ETest/Tests/ComponentRenderingTest.cs
@@ -42,7 +42,7 @@ namespace Microsoft.AspNetCore.Components.E2ETest.Tests
         }
 
         [Fact]
-        [QuarantinedTest]
+        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/23366")]
         public void CanRenderTextOnlyComponent()
         {
             var appElement = Browser.MountTestComponent<TextOnlyComponent>();
@@ -464,6 +464,7 @@ namespace Microsoft.AspNetCore.Components.E2ETest.Tests
         }
 
         [Fact]
+        [QuarantinedTest]
         public void CanRenderMarkupBlocks()
         {
             var appElement = Browser.MountTestComponent<MarkupBlockComponent>();
diff --git a/src/Components/test/E2ETest/Tests/EventBubblingTest.cs b/src/Components/test/E2ETest/Tests/EventBubblingTest.cs
index 1b63f5ab4d..5fc5c037d4 100644
--- a/src/Components/test/E2ETest/Tests/EventBubblingTest.cs
+++ b/src/Components/test/E2ETest/Tests/EventBubblingTest.cs
@@ -48,6 +48,7 @@ namespace Microsoft.AspNetCore.Components.E2ETest.Tests
         }
 
         [Fact]
+        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/23366")]
         public void BubblingStandardEvent_FiredOnElementWithoutHandler()
         {
             Browser.FindElement(By.Id("button-without-onclick")).Click();
diff --git a/src/Components/test/E2ETest/Tests/PerformanceTest.cs b/src/Components/test/E2ETest/Tests/PerformanceTest.cs
index f7187a4557..546a2214d7 100644
--- a/src/Components/test/E2ETest/Tests/PerformanceTest.cs
+++ b/src/Components/test/E2ETest/Tests/PerformanceTest.cs
@@ -6,6 +6,7 @@ using System.Linq;
 using Microsoft.AspNetCore.Components.E2ETest.Infrastructure;
 using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures;
 using Microsoft.AspNetCore.E2ETesting;
+using Microsoft.AspNetCore.Testing;
 using OpenQA.Selenium;
 using Xunit;
 using Xunit.Abstractions;
@@ -35,6 +36,7 @@ namespace Microsoft.AspNetCore.Components.E2ETest.Tests
         }
 
         [Fact]
+        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/23366")]
         public void BenchmarksRunWithoutError()
         {
             // In CI, we only verify that the benchmarks run without throwing any