CVE-2026-11284
Analyzed Analyzed - Analysis Complete
Side-channel Data Leakage in Google Chrome

Publication date: 2026-06-05

Last updated on: 2026-06-09

Assigner: Chrome

Description
Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
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Meta Information
Published
2026-06-05
Last Modified
2026-06-09
Generated
2026-06-25
AI Q&A
2026-06-05
EPSS Evaluated
2026-06-24
NVD
CVE-2026-11284
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 149.0.7827.53 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-203 The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
CWE-1300 The device does not contain sufficient protection mechanisms to prevent physical side channels from exposing sensitive information due to patterns in physically observable phenomena such as variations in power consumption, electromagnetic emissions (EME), or acoustic emissions.
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Executive Summary

This vulnerability is a side-channel information leakage issue in the Performance APIs of Google Chrome versions prior to 149.0.7827.53. It allows a remote attacker to leak cross-origin data by using a specially crafted HTML page.

Impact Analysis

An attacker exploiting this vulnerability could obtain information from other origins (websites) that the user has visited, potentially exposing sensitive data without the user's consent.

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