CVE-2026-11129 Cross-site request forgery in Chrome
A remote attacker can leak cross-origin data via a crafted HTML page due to inappropriate implementation in Chrome Extensions.
- 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-2026-11129?
CVE-2026-11129 is a medium-severity vulnerability in Google Chrome, published on 4 Jun 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 Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-352
Which versions are affected by CVE-2026-11129?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-11129?
Upgrade to a fixed version.
Is CVE-2026-11129 being exploited?
There is no known exploitation of CVE-2026-11129 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-11129, ECHO-d27c-8244-ade8, GHSA-m4xv-prr9-c93r, MINI-jgc7-7qg4-xg49.