CVE-2026-9116
Received
Received - Intake
Insufficient Policy Enforcement in ServiceWorker in Google Chrome
Publication date: 2026-05-20
Last updated on: 2026-05-20
Assigner: Chrome
Description
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)
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 148.0.7778.179 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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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