CVE-2026-87651 Missing authorization in Chrome

Medium 4.3 Published Updated

A remote attacker can obtain cross-origin data via a crafted HTML page due to incorrect authorization in Chrome's Paint component.

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-2026-87651?

CVE-2026-87651 is a medium-severity missing authorization vulnerability in Google Chrome, published on 9 Sep 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 Paint in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-863

Which versions are affected by CVE-2026-87651?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-87651?

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-2026-87651 being exploited?

There is no known exploitation of CVE-2026-87651 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-87651, ECHO-ee01-0ceb-8226, GHSA-g7pv-92gh-724g, MINI-j4jr-f2g2-pv37.

Is CVE-2026-87651 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free