CVE-2026-79051 Security feature bypass in Chrome

Medium 4.3 Published Updated

A remote attacker can bypass web origin policy in Google Chrome via a crafted HTML page due to incorrect authorization in the Loader.

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-2026-79051?

CVE-2026-79051 is a medium-severity vulnerability in Google Chrome, published on 25 Aug 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

Incorrect authorization in Loader in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-863

Which versions are affected by CVE-2026-79051?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-79051?

Upgrade to a fixed version.

Is CVE-2026-79051 being exploited?

There is no known exploitation of CVE-2026-79051 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79051, ECHO-2a32-291e-b66b, GHSA-5cf2-x2qr-rqm4, MINI-c3v4-7573-3m5j.

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