CVE-2026-106394 Information disclosure in Chrome
A remote attacker can leak cross-origin data via a crafted HTML page due to incomplete cleanup in Glic, requiring social engineering.
- 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-2026-106394?
CVE-2026-106394 is a medium-severity vulnerability in Google Chrome, published on 6 Oct 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
Incomplete cleanup in Glic in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
Weakness: CWE-459
Which versions are affected by CVE-2026-106394?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-106394?
Upgrade to a fixed version.
Is CVE-2026-106394 being exploited?
There is no known exploitation of CVE-2026-106394 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-106394, ECHO-07b5-7d36-220e, GHSA-w9rp-f824-3x85, MINI-84r2-gq9r-9695.