CVE-2026-5901 Security feature bypass in Chrome
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.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-5901, GHSA-jj38-mp8f-h2ph, MINI-42m9-j57h-63x5.