[ CVE-2026-107145 · Published 27 Oct 2026 ]
Vulnerability in alexandregz twofactor_gauthenticator
CVSS 6.3
EPSS <1%No fix listed yet
[ Description ]Official description
The twofactor_gauthenticator plugin for Roundcube is vulnerable to brute-forcing of the second-factor code. Due to the lack of rate limiting, an attacker who obtains user's password can submit arbitrary 6-digit codes, resulting in second-factor bypass and unauthorized access to the system. This issue was fixed in commit 4640889.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.