CVE-2026-5901 Security feature bypass in Chrome

Medium 6.5 Published Updated

An attacker can bypass enterprise host restrictions for cookie modification by tricking a user into installing a malicious Chrome extension.

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-2026-5901?

CVE-2026-5901 is a medium-severity vulnerability in Google Chrome, published on 8 Apr 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 policy enforcement in DevTools in Google Chrome prior to 147.0.7727.55 allowed an attacker who convinced a user to install a malicious extension to bypass enterprise host restrictions for cookie modification via a crafted Chrome Extension. (Chromium security severity: Low)

Weakness: CWE-602

Which versions are affected by CVE-2026-5901?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-5901?

Upgrade to a fixed version.

Is CVE-2026-5901 being exploited?

There is no known exploitation of CVE-2026-5901 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-5901, GHSA-jj38-mp8f-h2ph, MINI-42m9-j57h-63x5.

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