CVE-2026-11280

chromium-browser: chromium-browser: Insufficient validation of untrusted input in Signin

Published Jun 4, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in Signin in Google Chrome on iOS prior to 149.0.7827.53 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-6325-1 chromium security update
History
Type Values Removed Values Added
First Time appeared Apple
Apple iphone Os
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple iphone Os
Type Values Removed Values Added
Title chromium-browser: chromium-browser: Insufficient validation of untrusted input in Signin
References
Metrics threat_severity

None

threat_severity

Low

Type Values Removed Values Added
Title UI Spoofing Vulnerability in Chrome iOS Sign‑In
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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 UI Spoofing Vulnerability in Chrome iOS Sign‑In
Type Values Removed Values Added
Description Inappropriate implementation in Signin in Google Chrome on iOS prior to 149.0.7827.53 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 5, 2026, 7:25 PM
Reserved
Jun 4, 2026, 5:11 PM
Status
Analyzed
Published
Jun 5, 2026, 12:17 AM
Modified
Jul 23, 2026, 7:10 AM
Severity
Low
Public date
Jun 2, 2026, 12:00 AM