CVE-2026-106396

chromium-browser: Improper input validation in Omnibox

Published Oct 6, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Improper input validation in Omnibox in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4833-1 chromium security update
Debian DSA Debian DSA DSA-6553-1 chromium security update
History
Type Values Removed Values Added
First Time appeared Google android
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Vendors & Products Google android
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Type Values Removed Values Added
Title Improper Input Validation in Chrome Omnibox Allows Remote Web Origin Policy Bypass chromium-browser: Improper input validation in Omnibox
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Improper Input Validation in Chrome Omnibox Allows Remote Web Origin Policy Bypass
Type Values Removed Values Added
Description Improper input validation in Omnibox in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Oct 11, 2026, 4:55 PM
Reserved
Oct 6, 2026, 4:37 PM
Status
Analyzed
Published
Oct 6, 2026, 7:18 PM
Modified
Oct 15, 2026, 12:01 AM
Severity
Important
Public date
Oct 6, 2026, 6:41 PM