CVE-2026-13893 Information disclosure in Chrome

Medium 6.5 Published Updated

Remote attackers can leak cross-origin data via malicious network traffic due to insufficient input validation in the WebUI.

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-2026-13893?

CVE-2026-13893 is a medium-severity vulnerability in Google Chrome, published on 30 Jun 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 WebUI in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)

Weakness: CWE-20

Which versions are affected by CVE-2026-13893?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-13893?

Upgrade to a fixed version.

Is CVE-2026-13893 being exploited?

There is no known exploitation of CVE-2026-13893 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-13893, ECHO-8485-eb04-95e6, GHSA-x5fc-38m7-rp7v, MINI-crpm-22c9-wmx3.

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