CVE-2026-13886

Chrome Isolated Web Apps Can Bypass Content Security Policy

Published Jun 30, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Insufficient policy enforcement in Isolated Web Apps in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass content security policy 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 Isolated Web Apps Can Bypass Content Security Policy
Type Values Removed Values Added
Title Content Security Policy Bypass in Google Chrome Isolated Web Apps
Type Values Removed Values Added
Title Content Security Policy Bypass in Google Chrome Isolated Web Apps
Type Values Removed Values Added
Title Content Security Policy Bypass in Chrome Isolated Web Apps
Type Values Removed Values Added
Title Content Security Policy Bypass in Chrome Isolated Web Apps
Type Values Removed Values Added
Title Chrome Isolated Web Apps CSP Bypass via Crafted HTML
Type Values Removed Values Added
Title Chrome Isolated Web Apps CSP Bypass via Crafted HTML
Type Values Removed Values Added
Title CSP Bypass in Google Chrome Isolated Web Apps via Crafted HTML Page
Type Values Removed Values Added
Title CSP Bypass in Google Chrome Isolated Web Apps via Crafted HTML Page
Type Values Removed Values Added
Title Content Security Policy Bypass via Crafted HTML in Chrome Isolated Web Apps
Type Values Removed Values Added
Title Content Security Policy Bypass via Crafted HTML in Chrome Isolated Web Apps
Type Values Removed Values Added
Title Insufficient CSP enforcement allows bypass in Chrome Isolated Web Apps
Type Values Removed Values Added
Title Insufficient CSP enforcement allows bypass in Chrome Isolated Web Apps
Type Values Removed Values Added
Title Content Security Policy Bypass in Google Chrome Isolated Web Apps
Type Values Removed Values Added
Title Content Security Policy Bypass in Google Chrome Isolated Web Apps
Type Values Removed Values Added
Title CSP Bypass in Chrome Isolated Web Apps via Crafted HTML
Type Values Removed Values Added
Title CSP Bypass in Chrome Isolated Web Apps via Crafted HTML
Weaknesses CWE-79
Type Values Removed Values Added
Weaknesses CWE-693
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 Content Security Policy Bypass in Chrome Isolated Web Apps via Crafted HTML
Weaknesses CWE-79
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Content Security Policy Bypass in Chrome Isolated Web Apps via Crafted HTML
Type Values Removed Values Added
Description Insufficient policy enforcement in Isolated Web Apps in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Medium)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 1, 2026, 3:20 PM
Reserved
Jun 29, 2026, 11:03 PM
Status
Analyzed
Published
Jun 30, 2026, 11:17 PM
Modified
Oct 25, 2026, 9:10 PM