CVE-2026-106331: Google Chrome

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper input validation in Extensions in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy into a privileged page via a crafted Chrome extension. (Chromium security severity: Low)

Affected products

• Google Chrome: before 155.0.8059.39 (fixed in 155.0.8059.39)

Published 2026-10-06. Last modified 2026-10-09.