CVE-2026-5876 Information disclosure in Chrome

Medium 6.5 Published Updated

A remote attacker can leak cross-origin data via a crafted HTML page due to side-channel leakage in Chrome's navigation.

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-2026-5876?

CVE-2026-5876 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

Side-channel information leakage in Navigation in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-1300

Which versions are affected by CVE-2026-5876?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-5876?

Upgrade to a fixed version.

Is CVE-2026-5876 being exploited?

There is no known exploitation of CVE-2026-5876 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-5876, GHSA-9wcm-fcg4-668c, MINI-9v4h-5rg3-mq53.

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