CVE-2026-106287 Security feature bypass in Chrome

Medium 4.3 Published Updated

A remote attacker can bypass web origin policy via crafted network traffic, leading to information loss in Google Chrome.

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-2026-106287?

CVE-2026-106287 is a medium-severity 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

Information loss in CORS in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via crafted network traffic. (Chromium security severity: Low)

Weakness: CWE-221

Which versions are affected by CVE-2026-106287?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106287?

Upgrade to a fixed version.

Is CVE-2026-106287 being exploited?

There is no known exploitation of CVE-2026-106287 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106287, ECHO-0bdf-3342-86dd, GHSA-76jp-9gqr-629g, MINI-87x6-hxgw-j4wv.

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