CVE-2026-11153 Information disclosure in Chrome

Critical 9.1 Published Updated

A remote attacker can leak cross-origin data via a crafted HTML page due to side-channel leakage in Chrome Forms.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-11153?

CVE-2026-11153 is a critical vulnerability in Google Chrome, published on 4 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Side-channel information leakage in Forms 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-1300

Which versions are affected by CVE-2026-11153?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-11153?

Upgrade to a fixed version.

Is CVE-2026-11153 being exploited?

There is no known exploitation of CVE-2026-11153 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-11153, ECHO-1cdd-50eb-b9b6, GHSA-h3j8-q3mw-gx7j, MINI-whmv-p675-gjq3.

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