CVE-2026-17871 Information disclosure in Chrome

Medium 4.3 Published Updated

A remote attacker can leak cross-origin data by tricking a user into specific UI gestures on a crafted HTML page in Google Chrome.

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-2026-17871?

CVE-2026-17871 is a medium-severity vulnerability in Google Chrome, published on 30 Jul 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

Inappropriate implementation in Passwords in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-346

Which versions are affected by CVE-2026-17871?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-17871?

Upgrade to a fixed version.

Is CVE-2026-17871 being exploited?

There is no known exploitation of CVE-2026-17871 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-17871, ECHO-6698-4802-7617, GHSA-wvwr-3hfj-vc2v, MINI-jcv3-rx85-6m5f.

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