CVE-2026-1504 Information disclosure in Chrome
A remote attacker can leak cross-origin data via a crafted HTML page due to an inappropriate implementation in the Background Fetch API.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-1504?
CVE-2026-1504 is a medium-severity vulnerability in Google Chrome, published on 27 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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)
Which versions are affected by CVE-2026-1504?
It affects 1 product.
Linux distribution packages (1)
chromium openSUSE:Tumbleweed | All versions | 144.0.7559.109-1.1 |
Products include Google Chrome.
How do I fix CVE-2026-1504?
Upgrade to a fixed version.
Is CVE-2026-1504 being exploited?
There is no known exploitation of CVE-2026-1504 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-1504, DSA-6116-1, GHSA-m6qv-96fg-92g8, MINI-555j-g686-xvq5, openSUSE-SU-2026:10121-1.