CVE-2026-107147

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

No CVSS.

References

Link	Resource
https://cert.pl/en/posts/2026/10/CVE-2026-107145
https://github.com/alexandregz/twofactor_gauthenticator/blob/master/CHANGES-2FA-SECURITY.en.md

Configurations

No configuration.

History

27 Oct 2026, 10:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-27 10:16

Updated : 2026-10-27 15:07

NVD link : CVE-2026-107147

Mitre link : CVE-2026-107147

CVE.ORG link : CVE-2026-107147

JSON object : View

Products Affected

No product.

CWE

CWE-290

Authentication Bypass by Spoofing

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CVE-2026-107147

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