CVE-2026-1504

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-27 · updated 2026-06-17

Description

Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Affected products

Google Chrome: before 144.0.7559.110 — fixed in 144.0.7559.110

How to fix

Upgrade to a fixed version: Google Chrome 144.0.7559.110. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_27.html
https://issues.chromium.org/issues/474435504

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