CVE-2026-107147
CVE-2026-107147 · Authentication bypass by spoofing in twofactor_gauthenticator
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The twofactor_gauthenticator 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 second factor being bypassed. This issue was fixed in commit 4640889.
CVSS 6.3 · Medium · EPSS 0.5%
- Published
- Updated
Affected products and versions
twofactor_gauthenticator
- Versions
- ≥ 0, < 4640889: Affected (git)
No fix published