CVE-2026-82810: Extension.vn 2fa Authenticator Extension

Low severity, CVSS 3.3. EPSS: 0.1% chance of exploitation in the next 30 days.

A weakness has been identified in extension.vn 2FA Authenticator Extension 1.0.0.2 on Chrome. The impacted element is the function chrome.runtime.onMessageExternal.addListener of the component Background Service Worker. Executing a manipulation of the argument sender.id can lead to information disclosure. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

Affected products

• Extension.vn 2fa Authenticator Extension: version 1.0.0.2 only

Published 2026-08-31. Last modified 2026-09-02.