Inappropriate Implementation in Background Fetch API Affects Google Chrome
CVE-2026-1504

6.5MEDIUM

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
27 January 2026

What is CVE-2026-1504?

The Background Fetch API in Google Chrome prior to version 144.0.7559.110 contains an inappropriate implementation that can allow remote attackers to exploit this vulnerability through specially crafted HTML pages. This can lead to the unintended exposure of cross-origin data, posing significant privacy and security risks for users who interact with malicious web content.

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Affected Version(s)

Chrome 144.0.7559.110

References

https://chromereleases.googleblog.com/2026/01/stable-chan...
https://issues.chromium.org/issues/474435504

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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