CVE-2026-107147 Authentication bypass by spoofing in twofactor_gauthenticator

The twofactorgauthenticator plugin for Roundcube is vulnerable to 2fa authentication bypass by spoofed client address headers. Due to the lack of validation of the Client-IP and X-Forwarded-For headers, an attacker who obtains user's password can spoof a whitelisted IP address, resulting in the...