CVE-2026-107146 Insufficient session expiration in twofactor_gauthenticator
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-107146?
CVE-2026-107146 is a medium-severity vulnerability in alexandregz twofactor_gauthenticator, published on 27 Oct 2026.
Official description
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.
Weakness: CWE-613
Which versions are affected by CVE-2026-107146?
How do I fix CVE-2026-107146?
No fix has been published for CVE-2026-107146 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-107146 being exploited?
There is no known exploitation of CVE-2026-107146 in the wild and no public exploit code.
Sources
Also known as GHSA-v777-5g8j-qgq8, UBUNTU-CVE-2026-107146.