CVE-2026-106394

Analyzed Analyzed - Analysis Complete

Incomplete Cleanup in Glic Leads to Cross-Origin Data Leak in Google Chrome

Publication date: 2026-10-06

Last updated on: 2026-10-07

Assigner: Chrome

Description

Incomplete cleanup in Glic in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-06

Last Modified

2026-10-07

Generated

2026-10-19

AI Q&A

2026-10-07

EPSS Evaluated

2026-10-18

NVD

CVE-2026-106394

EUVD

EUVD-2026-93600

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 155.0.8059.39 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-459	The product does not properly "clean up" and remove temporary or supporting resources after they have been used.

Attack-Flow Graph

Executive Summary

This vulnerability is an incomplete cleanup issue in Glic within Google Chrome before version 155.0.8059.39. It allows a remote attacker to exploit social engineering tactics to leak cross-origin data by using a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 155.0.8059.39. To detect it, check your Chrome version by running chrome://version/ in the browser address bar. If your version is below 155.0.8059.39, the system is vulnerable.

Impact Analysis

An attacker could trick you into visiting a malicious webpage, which may then access or expose data from other websites you are logged into, compromising your privacy or sensitive information.

Compliance Impact

The vulnerability involves incomplete cleanup in Glic allowing cross-origin data leaks via social engineering. This could potentially expose sensitive user data, which may impact compliance with GDPR (data protection) or HIPAA (healthcare data privacy) if such data is mishandled. However, the specific impact depends on the data processed and organizational measures in place.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.39 or later to address the incomplete cleanup issue in Glic.

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