CVE-2026-15768

chromium-browser: chromium-browser: Insufficient policy enforcement in HTML-in-Canvas

Published Jul 14, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Insufficient policy enforcement in HTML-in-Canvas in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to bypass same 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-4687-1 chromium security update
Debian DSA Debian DSA DSA-6390-1 chromium security update
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Title Chrome same-origin policy bypass via insecure HTML-in-Canvas chromium-browser: chromium-browser: Insufficient policy enforcement in HTML-in-Canvas
Weaknesses CWE-346
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N'}

threat_severity

Important

Type Values Removed Values Added
Title Chrome same-origin policy bypass via insecure HTML-in-Canvas
Weaknesses CWE-285
Type Values Removed Values Added
Title Same‑Origin Policy Bypass in Google Chrome Canvas Rendering
Weaknesses CWE-284
Type Values Removed Values Added
Title Same‑Origin Policy Bypass in Google Chrome Canvas Rendering
Weaknesses CWE-284
Type Values Removed Values Added
Title HTML-in-Canvas Same-Origin Policy Bypass in Google Chrome
Weaknesses CWE-1140
CWE-285
Type Values Removed Values Added
Title HTML-in-Canvas Same-Origin Policy Bypass in Google Chrome
Weaknesses CWE-1140
CWE-285
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Insufficient policy enforcement in HTML-in-Canvas in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 15, 2026, 3:22 PM
Reserved
Jul 14, 2026, 6:31 PM
Status
Analyzed
Published
Jul 14, 2026, 9:16 PM
Modified
Oct 24, 2026, 9:10 PM
Severity
Important
Public date
Jul 14, 2026, 8:09 PM