CVE-2026-12446

chromium-browser: chromium-browser: Insufficient data validation in Passwords

Published Jun 17, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in Passwords in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to leak cross-origin data 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 DSA Debian DSA DSA-6351-1 chromium security update
History
Type Values Removed Values Added
Title Cross‑Origin Data Leak via Password Module in Chrome chromium-browser: chromium-browser: Insufficient data validation in Passwords
Weaknesses CWE-940
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Title Cross‑Origin Data Leak via Password Module in Chrome
Type Values Removed Values Added
Weaknesses CWE-863
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/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
Description Inappropriate implementation in Passwords in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 17, 2026, 10:53 AM
Reserved
Jun 16, 2026, 7:38 PM
Status
Analyzed
Published
Jun 17, 2026, 1:19 PM
Modified
Oct 26, 2026, 11:10 AM
Severity
Moderate
Public date
Jun 17, 2026, 1:38 AM