CVE-2026-78908

Received Received - Intake

Information Leak in Google Chrome Canvas

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Information leak in Canvas in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-25

Last Modified

2026-08-25

Generated

2026-08-26

AI Q&A

2026-08-26

EPSS Evaluated

N/A

NVD

CVE-2026-78908

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This vulnerability is an information leak in the Canvas feature of Google Chrome before version 152.0.7977.65. A remote attacker could exploit a flaw in the web origin policy by using a specially crafted HTML page to access sensitive data across different websites.

Impact Analysis

If exploited, this vulnerability could allow an attacker to steal sensitive information from other websites you visit, such as passwords, personal data, or private messages. It may also enable tracking of your online activity without your consent.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection principles and HIPAA's privacy rules. Organizations using affected Chrome versions may face compliance breaches, legal penalties, and reputational damage.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the vulnerability.

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