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6 vulnerabilities by alexandregz
CVE-2026-107147 (GCVE-0-2026-107147)
Vulnerability from nvd – Published: 2026-10-27 09:36 – Updated: 2026-10-27 09:36 X_Open Source
VLAI
EPSS
VEX
Title
Authentication bypass by spoofing in twofactor_gauthenticator
Summary
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.
Severity
CWE
- CWE-290 - Authentication bypass by spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/10/CVE-2026-107145 | third-party-advisory |
| https://github.com/alexandregz/twofactor_gauthent… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alexandregz | twofactor_gauthenticator |
Affected:
0 , < 4640889
(git)
cpe:2.3:a:alexandregz:twofactor_gauthenticator:*:*:*:*:*:*:*:* |
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CVE-2026-107146 (GCVE-0-2026-107146)
Vulnerability from nvd – Published: 2026-10-27 09:35 – Updated: 2026-10-27 09:35 X_Open Source
VLAI
EPSS
VEX
Title
Insufficient session expiration in twofactor_gauthenticator
Summary
The twofactor_gauthenticator plugin for Roundcube is vulnerable to session persistence after failed 2FA verification. Due to the lack of server-side session destruction, an attacker can ignore the logout redirect and keep the session alive. This may allow an attacker who obtains user's password to e.g. brute force the second-factor code.
This issue was fixed in commit 4640889.
Severity
CWE
- CWE-613 - Insufficient session expiration
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/10/CVE-2026-107145 | third-party-advisory |
| https://github.com/alexandregz/twofactor_gauthent… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alexandregz | twofactor_gauthenticator |
Affected:
0 , < 4640889
(git)
cpe:2.3:a:alexandregz:twofactor_gauthenticator:*:*:*:*:*:*:*:* |
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CVE-2026-107145 (GCVE-0-2026-107145)
Vulnerability from nvd – Published: 2026-10-27 09:34 – Updated: 2026-10-27 09:34 X_Open Source
VLAI
EPSS
VEX
Title
Lack of rate-limiting in 2fa code check mechanism in twofactor_gauthenticator
Summary
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.
Severity
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/10/CVE-2026-107145 | third-party-advisory |
| https://github.com/alexandregz/twofactor_gauthent… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alexandregz | twofactor_gauthenticator |
Affected:
0 , < 4640889
(git)
cpe:2.3:a:alexandregz:twofactor_gauthenticator:*:*:*:*:*:*:*:* |
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CVE-2026-107147 (GCVE-0-2026-107147)
Vulnerability from cvelistv5 – Published: 2026-10-27 09:36 – Updated: 2026-10-27 09:36 X_Open Source
VLAI
EPSS
VEX
Title
Authentication bypass by spoofing in twofactor_gauthenticator
Summary
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.
Severity
CWE
- CWE-290 - Authentication bypass by spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/10/CVE-2026-107145 | third-party-advisory |
| https://github.com/alexandregz/twofactor_gauthent… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alexandregz | twofactor_gauthenticator |
Affected:
0 , < 4640889
(git)
cpe:2.3:a:alexandregz:twofactor_gauthenticator:*:*:*:*:*:*:*:* |
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CVE-2026-107146 (GCVE-0-2026-107146)
Vulnerability from cvelistv5 – Published: 2026-10-27 09:35 – Updated: 2026-10-27 09:35 X_Open Source
VLAI
EPSS
VEX
Title
Insufficient session expiration in twofactor_gauthenticator
Summary
The twofactor_gauthenticator plugin for Roundcube is vulnerable to session persistence after failed 2FA verification. Due to the lack of server-side session destruction, an attacker can ignore the logout redirect and keep the session alive. This may allow an attacker who obtains user's password to e.g. brute force the second-factor code.
This issue was fixed in commit 4640889.
Severity
CWE
- CWE-613 - Insufficient session expiration
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/10/CVE-2026-107145 | third-party-advisory |
| https://github.com/alexandregz/twofactor_gauthent… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alexandregz | twofactor_gauthenticator |
Affected:
0 , < 4640889
(git)
cpe:2.3:a:alexandregz:twofactor_gauthenticator:*:*:*:*:*:*:*:* |
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CVE-2026-107145 (GCVE-0-2026-107145)
Vulnerability from cvelistv5 – Published: 2026-10-27 09:34 – Updated: 2026-10-27 09:34 X_Open Source
VLAI
EPSS
VEX
Title
Lack of rate-limiting in 2fa code check mechanism in twofactor_gauthenticator
Summary
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.
Severity
CWE
- CWE-307 - Improper restriction of excessive authentication attempts
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/en/posts/2026/10/CVE-2026-107145 | third-party-advisory |
| https://github.com/alexandregz/twofactor_gauthent… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alexandregz | twofactor_gauthenticator |
Affected:
0 , < 4640889
(git)
cpe:2.3:a:alexandregz:twofactor_gauthenticator:*:*:*:*:*:*:*:* |
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