CVE-2026-11034

chromium-browser: Insufficient validation of untrusted input in Tab Group Sync

Published Jun 4, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Insufficient validation of untrusted input in Tab Group Sync in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via malicious network traffic. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6325-1 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
Title chromium-browser: Insufficient validation of untrusted input in Tab Group Sync
Weaknesses CWE-79
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Title Insufficient Input Validation in Chrome Tab Group Sync Enables Remote Script Injection (UXSS)
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Insufficient Input Validation in Chrome Tab Group Sync Enables Remote Script Injection (UXSS)
Type Values Removed Values Added
Description Insufficient validation of untrusted input in Tab Group Sync in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via malicious network traffic. (Chromium security severity: Medium)
Weaknesses CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 5, 2026, 7:14 PM
Reserved
Jun 4, 2026, 5:06 PM
Status
Analyzed
Published
Jun 4, 2026, 11:17 PM
Modified
Jul 23, 2026, 6:10 AM
Severity
Moderate
Public date
Jun 2, 2026, 12:00 AM