CVE-2026-79137 Missing authorization in Chrome

Medium 4.3 Published Updated

A remote attacker can bypass system access restrictions via a crafted Chrome extension, requiring social engineering to exploit.

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-2026-79137?

CVE-2026-79137 is a medium-severity missing authorization vulnerability in Google Chrome, published on 25 Aug 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

Incorrect authorization in Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)

Weakness: CWE-863

Which versions are affected by CVE-2026-79137?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-79137?

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-2026-79137 being exploited?

There is no known exploitation of CVE-2026-79137 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-79137, ECHO-3ce5-408c-684c, GHSA-f6v4-57jr-pm94, MINI-pr6j-wpjh-gvf3.

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