CVE-2026-9116
Analyzed Analyzed - Analysis Complete
Insufficient Policy Enforcement in ServiceWorker in Google Chrome

Publication date: 2026-05-20

Last updated on: 2026-05-21

Assigner: Chrome

Description
Insufficient policy enforcement in ServiceWorker in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
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Meta Information
Published
2026-05-20
Last Modified
2026-05-21
Generated
2026-06-10
AI Q&A
2026-05-20
EPSS Evaluated
2026-06-08
NVD
CVE-2026-9116
EUVD
EUVD-2026-31166
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 148.0.7778.179 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-693 The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
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Executive Summary

This vulnerability is due to insufficient policy enforcement in the ServiceWorker component of Google Chrome versions prior to 148.0.7778.179. It allows a remote attacker to leak cross-origin data by using a specially crafted HTML page.

Impact Analysis

The impact of this vulnerability is that an attacker can remotely leak data from other origins, potentially exposing sensitive information that should be isolated by browser security policies.

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