CVE-2026-106267
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Authorization Bypass in Google Chrome via Renderer Process

Publication date: 2026-10-06

Last updated on: 2026-10-06

Assigner: Chrome

Description
Missing authorization in Network in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

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Meta Information

Published
2026-10-06
Last Modified
2026-10-06
Generated
2026-10-06
AI Q&A
2026-10-06
EPSS Evaluated
N/A
NVD
CVE-2026-106267
EUVD
EUVD-2026-93670

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Google Chrome 155.0.8059.39

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This vulnerability is a missing authorization issue in Google Chrome before version 155.0.8059.39. A remote attacker who already compromised the renderer process could bypass site isolation by tricking a user into visiting a crafted HTML page.

Impact Analysis

If exploited, this flaw could allow an attacker to access data from other websites you visit, potentially stealing sensitive information like passwords or personal details. It undermines the browser's security feature called site isolation.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations may face compliance penalties if user data is compromised due to this flaw.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.39 or later to address the missing authorization issue in the Network component.

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