PatchGap
Chrome · WebAppInstalls

CVE-2026-14131

Logic Error in WebAppInstalls
Low chrome Logic Error 🔧 Commit mapped

Overview

Low
Severity
—
CVSS
No
Exploited ITW
Fixed
Fix Status
ImpactInsufficient validation of untrusted input in WebAppInstalls
DescriptionInsufficient validation of untrusted input in WebAppInstalls
ComponentWebAppInstalls
Bug ClassLogic Error
Tracker514020982
Fix commit83acaeae804d (chromium/src) +49/-5
CISA KEVNot listed
CreditedGoogle
Disclosed2026-06-30

Changed Functions

FunctionChangeNotes
for
chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job.cc
 modified
TEST_F
chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc
 modified

Files Changed

  • chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc
  • chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job.cc
  • chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc

Patch

view commit
From 83acaeae804d4ad86a71a6e5e786cdd51c327951 Mon Sep 17 00:00:00 2001
From: Edman Anjos <edmanp@google.com>
Date: Mon, 01 Jun 2026 10:56:39 -0700
Subject: [PATCH] Ignore unframed display override in install job when the flag is disabled

Fixed: 514020982
Test: testing/xvfb.py tools/autotest.py -C out_/Default chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc
Change-Id: I86539fe197f2ffb7d9e4fb991190b88ad73ab90a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7867923
Reviewed-by: Eshwar Stalin <estalin@chromium.org>
Commit-Queue: Edman Anjos <edman@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1639520}
---

diff --git a/chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc b/chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc
index 4fbb5184..5fb9b5c 100644
--- a/chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc
+++ b/chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc
@@ -3,10 +3,13 @@
 // found in the LICENSE file.
 
 #include <memory>
+#include <optional>
 #include <string_view>
 #include <vector>
 
+#include "base/auto_reset.h"
 #include "base/check_deref.h"
+#include "base/test/scoped_feature_list.h"
 #include "base/test/task_environment.h"
 #include "base/time/time.h"
 #include "chrome/browser/web_applications/isolated_web_apps/isolated_web_app_url_info.h"
@@ -32,6 +35,7 @@
 #include "components/webapps/isolated_web_apps/types/update_channel.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/blink/public/common/features.h"
 #include "third_party/blink/public/common/safe_url_pattern.h"
 #include "third_party/liburlpattern/part.h"
 
@@ -100,6 +104,7 @@
  public:
   ManifestUpdateTest()
       : IsolatedWebAppTest(base::test::TaskEnvironment::TimeSource::MOCK_TIME) {
+    scoped_feature_list_.InitAndEnableFeature(blink::features::kUnframedIwa);
   }
   ~ManifestUpdateTest() override = default;
 
@@ -162,6 +167,7 @@
     ASSERT_THAT(TestIwa(), HasVersion("2.0.0"));
   }
 
+  base::test::ScopedFeatureList scoped_feature_list_;
   FakeIwaRuntimeDataProvider data_provider_;
   std::optional<base::AutoReset<ChromeIwaRuntimeDataProvider*>> resetter_;
 };
diff --git a/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job.cc b/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job.cc
index 1e64842..5744abc0 100644
--- a/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job.cc
+++ b/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job.cc
@@ -813,10 +813,15 @@
     install_info().display_mode = manifest_->display;
   }
   for (const auto& override_item : manifest_->display_override) {
-    install_info().display_override.push_back(
-        override_item.display() == DisplayMode::kUnframed
-            ? DisplayOverride::CreateUnframed(override_item.url_patterns())
-            : DisplayOverride::Create(override_item.display()));
+    if (override_item.display() == DisplayMode::kUnframed) {
+      if (base::FeatureList::IsEnabled(blink::features::kUnframedIwa)) {
+        install_info().display_override.push_back(
+            DisplayOverride::CreateUnframed(override_item.url_patterns()));
+      }
+    } else {
+      install_info().display_override.push_back(
+          DisplayOverride::Create(override_item.display()));
+    }
   }
 
   const std::vector<blink::Manifest::ImageResource>& icons =
diff --git a/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc b/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc
index b0c0cce..fef5eb6 100644
--- a/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc
+++ b/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc
@@ -12,6 +12,7 @@
 #include <utility>
 #include <vector>
 
+#include "base/feature_list.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/bind.h"
@@ -167,7 +168,8 @@
 TEST_F(ManifestToWebAppInstallInfoJobTest, BasicFieldsPopulated) {
   base::test::ScopedFeatureList feature_list;
   feature_list.InitWithFeatures({blink::features::kFileHandlingIcons,
-                                 blink::features::kWebAppManifestLockScreen},
+                                 blink::features::kWebAppManifestLockScreen,
+                                 blink::features::kUnframedIwa},
                                 /*disabled_features=*/{});
 
   SetupBasicPageState();
@@ -2213,6 +2215,37 @@
   EXPECT_EQ(default_icon_url, icons[0].url);
 }
 
+TEST_F(ManifestToWebAppInstallInfoJobTest,
+       AcceptsUnframedDisplayOverrideWhenTheFeatureIsEnabled) {
+  base::test::ScopedFeatureList scoped_feature_list;
+  scoped_feature_list.InitAndEnableFeature(blink::features::kUnframedIwa);
+
+  ASSERT_TRUE(base::FeatureList::IsEnabled(blink::features::kUnframedIwa));
+
+  SetupBasicPageState();
+  blink::mojom::ManifestPtr& manifest = GetPageManifest();
+  manifest->display_override.push_back(
+      blink::Manifest::DisplayOverride::CreateUnframed({FooUrlPattern()}));
+
+  auto web_app_info = GetWebAppInstallInfoFromJob(*manifest);
+  EXPECT_THAT(
+      web_app_info->display_override,
+      testing::ElementsAre(DisplayOverride::CreateUnframed({FooUrlPattern()})));
+}
+
+TEST_F(ManifestToWebAppInstallInfoJobTest,
+       IgnoresUnframedDisplayOverrideWhenTheFeatureIsDisabled) {
+  ASSERT_FALSE(base::FeatureList::IsEnabled(blink::features::kUnframedIwa));
+
+  SetupBasicPageState();
+  blink::mojom::ManifestPtr& manifest = GetPageManifest();
+  manifest->display_override.push_back(
+      blink::Manifest::DisplayOverride::CreateUnframed());
+
+  auto web_app_info = GetWebAppInstallInfoFromJob(*manifest);
+  EXPECT_THAT(web_app_info->display_override, testing::IsEmpty());
+}
+
 }  // namespace
 
 }  // namespace web_app
Loading diff…

Regression Test / PoC

shipped with the fix
diff --git a/chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc b/chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc
index 4fbb5184..5fb9b5c 100644
--- a/chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc
+++ b/chrome/browser/web_applications/isolated_web_apps/manifest_update_unittest.cc
@@ -3,10 +3,13 @@
 // found in the LICENSE file.
 
 #include <memory>
+#include <optional>
 #include <string_view>
 #include <vector>
 
+#include "base/auto_reset.h"
 #include "base/check_deref.h"
+#include "base/test/scoped_feature_list.h"
 #include "base/test/task_environment.h"
 #include "base/time/time.h"
 #include "chrome/browser/web_applications/isolated_web_apps/isolated_web_app_url_info.h"
@@ -32,6 +35,7 @@
 #include "components/webapps/isolated_web_apps/types/update_channel.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/blink/public/common/features.h"
 #include "third_party/blink/public/common/safe_url_pattern.h"
 #include "third_party/liburlpattern/part.h"
 
@@ -100,6 +104,7 @@
  public:
   ManifestUpdateTest()
       : IsolatedWebAppTest(base::test::TaskEnvironment::TimeSource::MOCK_TIME) {
+    scoped_feature_list_.InitAndEnableFeature(blink::features::kUnframedIwa);
   }
   ~ManifestUpdateTest() override = default;
 
@@ -162,6 +167,7 @@
     ASSERT_THAT(TestIwa(), HasVersion("2.0.0"));
   }
 
+  base::test::ScopedFeatureList scoped_feature_list_;
   FakeIwaRuntimeDataProvider data_provider_;
   std::optional<base::AutoReset<ChromeIwaRuntimeDataProvider*>> resetter_;
 };
diff --git a/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc b/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc
index b0c0cce..fef5eb6 100644
--- a/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc
+++ b/chrome/browser/web_applications/jobs/manifest_to_web_app_install_info_job_unittest.cc
@@ -12,6 +12,7 @@
 #include <utility>
 #include <vector>
 
+#include "base/feature_list.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/bind.h"
@@ -167,7 +168,8 @@
 TEST_F(ManifestToWebAppInstallInfoJobTest, BasicFieldsPopulated) {
   base::test::ScopedFeatureList feature_list;
   feature_list.InitWithFeatures({blink::features::kFileHandlingIcons,
-                                 blink::features::kWebAppManifestLockScreen},
+                                 blink::features::kWebAppManifestLockScreen,
+                                 blink::features::kUnframedIwa},
                                 /*disabled_features=*/{});
 
   SetupBasicPageState();
@@ -2213,6 +2215,37 @@
   EXPECT_EQ(default_icon_url, icons[0].url);
 }
 
+TEST_F(ManifestToWebAppInstallInfoJobTest,
+       AcceptsUnframedDisplayOverrideWhenTheFeatureIsEnabled) {
+  base::test::ScopedFeatureList scoped_feature_list;
+  scoped_feature_list.InitAndEnableFeature(blink::features::kUnframedIwa);
+
+  ASSERT_TRUE(base::FeatureList::IsEnabled(blink::features::kUnframedIwa));
+
+  SetupBasicPageState();
+  blink::mojom::ManifestPtr& manifest = GetPageManifest();
+  manifest->display_override.push_back(
+      blink::Manifest::DisplayOverride::CreateUnframed({FooUrlPattern()}));
+
+  auto web_app_info = GetWebAppInstallInfoFromJob(*manifest);
+  EXPECT_THAT(
+      web_app_info->display_override,
+      testing::ElementsAre(DisplayOverride::CreateUnframed({FooUrlPattern()})));
+}
+
+TEST_F(ManifestToWebAppInstallInfoJobTest,
+       IgnoresUnframedDisplayOverrideWhenTheFeatureIsDisabled) {
+  ASSERT_FALSE(base::FeatureList::IsEnabled(blink::features::kUnframedIwa));
+
+  SetupBasicPageState();
+  blink::mojom::ManifestPtr& manifest = GetPageManifest();
+  manifest->display_override.push_back(
+      blink::Manifest::DisplayOverride::CreateUnframed());
+
+  auto web_app_info = GetWebAppInstallInfoFromJob(*manifest);
+  EXPECT_THAT(web_app_info->display_override, testing::IsEmpty());
+}
+
 }  // namespace
 
 }  // namespace web_app
Loading diff…

Original Bug Report

The reporter's bug is still restricted on the tracker. Chrome de-restricts security bugs ~30–90 days after the fix ships; a later run will backfill it here.
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