CVE-2026-107145
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.
Published:Oct 27, 2026
Last Modified:Oct 27, 2026
EPS:Oct 27, 2026
EPSS Score:
CVSS Score:6.3
Affected Products
Vendor
Product
Action
Vendor
Alexandregz
Product
Twofactor Gauthenticator
Alexandregz
Twofactor Gauthenticator
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
