CVE-2026-13919

Published Jun 30, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
History
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass
Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Allows Site Isolation Bypass
Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Allows Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Bypass Allowing Site Isolation Exploit
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Bypass Allowing Site Isolation Exploit
Type Values Removed Values Added
Title Chrome Extension Policy Weakness Enables Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Weakness Enables Site Isolation Bypass
Type Values Removed Values Added
Title Renderer Process Compromise Allows Site Isolation Bypass via Extension Policy Enforcement Flaw
Type Values Removed Values Added
Title Renderer Process Compromise Allows Site Isolation Bypass via Extension Policy Enforcement Flaw
Type Values Removed Values Added
Title Site Isolation Bypass via Crafting HTML Page in Chrome Extensions
Type Values Removed Values Added
Title Site Isolation Bypass via Crafting HTML Page in Chrome Extensions
Type Values Removed Values Added
Title Remote Renderer Compromise Enables Site Isolation Bypass in Chrome
Type Values Removed Values Added
Title Remote Renderer Compromise Enables Site Isolation Bypass in Chrome
Type Values Removed Values Added
Title Chrome Site Isolation Bypass via Extension Policy Flaw
Type Values Removed Values Added
Title Chrome Site Isolation Bypass via Extension Policy Flaw
Type Values Removed Values Added
Title Chrome Site Isolation Bypass via Extension Policy Flaw
Type Values Removed Values Added
Title Chrome Site Isolation Bypass via Extension Policy Flaw
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Weakness Enables Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Weakness Enables Site Isolation Bypass
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Site Isolation Escape
Weaknesses CWE-272
CWE-284
Type Values Removed Values Added
Weaknesses CWE-602
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

ssvc

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

Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Site Isolation Escape
Weaknesses CWE-272
CWE-284
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Insufficient Policy Enforcement Allows Renderer Process Compromise to Bypass Site Isolation in Chrome
Weaknesses CWE-284
Type Values Removed Values Added
Title Insufficient Policy Enforcement Allows Renderer Process Compromise to Bypass Site Isolation in Chrome
Weaknesses CWE-284
Type Values Removed Values Added
Description Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 1, 2026, 5:42 PM
Reserved
Jun 29, 2026, 11:03 PM
Status
Analyzed
Published
Jun 30, 2026, 11:17 PM
Modified
Oct 25, 2026, 9:10 PM