CVE-2026-95301

Analyzed Analyzed - Analysis Complete

Authorization Bypass in Google Chrome Extensions

Publication date: 2026-09-29

Last updated on: 2026-10-01

Assigner: Chrome

Description

Missing authorization in Extensions in Google Chrome prior to 154.0.8037.57 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-29

Last Modified

2026-10-01

Generated

2026-10-19

AI Q&A

2026-09-29

EPSS Evaluated

2026-10-18

NVD

CVE-2026-95301

EUVD

EUVD-2026-89222

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 154.0.8037.57 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

Missing authorization in Extensions in Google Chrome prior to 154.0.8037.57 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page.

Detection Guidance

This vulnerability involves missing authorization in Google Chrome's Extensions component. Detection primarily requires checking the Chrome version and reviewing extension permissions. No specific network or system commands are provided in the CVE details to directly detect this issue.

Impact Analysis

An attacker who exploits this could gain unauthorized access to sensitive data or perform actions on behalf of the user without proper authorization.

Compliance Impact

This vulnerability allows a remote attacker to bypass site isolation by exploiting a missing authorization in Extensions in Google Chrome. This could potentially lead to unauthorized access to sensitive data, which may impact compliance with standards like GDPR (data protection) and HIPAA (health information privacy) if exploited.

Mitigation Strategies

Update Google Chrome to version 154.0.8037.57 or later to address the missing authorization issue in Extensions.

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