CVE-2026-106288 Missing authorization in Chrome

Medium 5.4 Published Updated

A remote attacker can bypass system access restrictions via a crafted HTML page in Google Chrome, requiring social engineering.

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-2026-106288?

CVE-2026-106288 is a medium-severity missing authorization vulnerability in Google Chrome, published on 6 Oct 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

Missing authorization in Browser in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-862

Which versions are affected by CVE-2026-106288?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106288?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-106288 being exploited?

There is no known exploitation of CVE-2026-106288 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106288, ECHO-460e-eaaa-2595, GHSA-hvh7-vwc6-pc2v, MINI-8qgw-2pw6-p94r.

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