Description
Incorrect authorization in Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
Published: 2026-08-25
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

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History

Fri, 28 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Title Bypass of Web Origin Policy via Crafted HTML Page in Google Chrome Extensions

Fri, 28 Aug 2026 17:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Thu, 27 Aug 2026 18:00:00 +0000

Type Values Removed Values Added
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'}


Wed, 26 Aug 2026 03:30:00 +0000

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

Wed, 26 Aug 2026 03:15:00 +0000

Type Values Removed Values Added
Title Bypass of Web Origin Policy via Crafted HTML Page in Google Chrome Extensions

Tue, 25 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Description Incorrect authorization in Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-863
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-08-27T20:37:08.550Z

Reserved: 2026-08-25T06:05:02.057Z

Link: CVE-2026-78954

cve-icon Vulnrichment

Updated: 2026-08-27T20:32:30.913Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-25T21:17:51.410

Modified: 2026-08-28T17:31:27.750

Link: CVE-2026-78954

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T19:15:05Z

Weaknesses