CVE-2026-107145
The twofactor_gauthenticator plugin for Roundcube is vulnerable to brute-forcing of the…
- Risk score
- 44/100
- CVSS
- 6.3 v4.0
- Exploit chance (30 days)
- 0.4%
- Published
- 27 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 comm…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.3 medium
References
Original description
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.
Last activity 27 Oct 2026. Patch Forecast updates every hour.