Description
Insufficient policy enforcement in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to bypass content security policy via a crafted Chrome Extension. (Chromium security severity: Low)
Published: 2026-06-04
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6325-1 chromium security update
History

Mon, 08 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Sun, 07 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Title Chrome Extension Bypasses Content Security Policy chromium-browser: Insufficient policy enforcement in Extensions
Weaknesses CWE-79
References
Metrics threat_severity

None

threat_severity

Low


Fri, 05 Jun 2026 23:45:00 +0000

Type Values Removed Values Added
Title Chrome Extension Bypasses Content Security Policy

Fri, 05 Jun 2026 22:30:00 +0000

Type Values Removed Values Added
Title Extension Policy Bypass via Malicious Chrome Extension
Weaknesses CWE-264
CWE-284

Fri, 05 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 05 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-602
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'}


Fri, 05 Jun 2026 03:15:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Fri, 05 Jun 2026 01:15:00 +0000

Type Values Removed Values Added
Title Extension Policy Bypass via Malicious Chrome Extension
Weaknesses CWE-264
CWE-284

Thu, 04 Jun 2026 23:45:00 +0000

Type Values Removed Values Added
Description Insufficient policy enforcement in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to bypass content security policy via a crafted Chrome Extension. (Chromium security severity: Low)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-05T19:36:56.848Z

Reserved: 2026-06-04T17:11:09.948Z

Link: CVE-2026-11267

cve-icon Vulnrichment

Updated: 2026-06-05T19:36:46.880Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-05T00:17:03.637

Modified: 2026-06-08T14:18:14.973

Link: CVE-2026-11267

cve-icon Redhat

Severity : Low

Publid Date: 2026-06-02T00:00:00Z

Links: CVE-2026-11267 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-07T17:00:05Z

Weaknesses