CVE-2026-17934 Security feature bypass in Chrome

Medium 4.3 Published Updated

A remote attacker can bypass navigation restrictions in Google Chrome DevTools by using a crafted HTML page, requiring users to update the browser.

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-2026-17934?

CVE-2026-17934 is a medium-severity vulnerability in Google Chrome, published on 30 Jul 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

Insufficient validation of untrusted input in DevTools in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-20

Which versions are affected by CVE-2026-17934?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-17934?

Upgrade to a fixed version.

Is CVE-2026-17934 being exploited?

There is no known exploitation of CVE-2026-17934 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-17934, ECHO-6877-4a7c-eb0d, GHSA-rcf3-4779-3g67, MINI-7f7r-669j-qv22.

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