CVE-2026-42210 - Webmin 2FA requirement bypass

[Starburst-David]

CVE ID: CVE-2026-42210
Published: July 20, 2026
Description: Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.640, for Webmin accounts that require a second authentication factor (typically TOTP), an attacker with knowledge of the username and password can bypass the 2FA requirement by using Basic authentication. Webmin is a web-based system administration tool for Unix-like servers. As a workaround, apply the patch from commit da18a16c84ae5c0b78cad79609cb0efb174000ec manually.
Severity: 5.3 | MEDIUM

More Information:
https://cvefeed.io/vuln/detail/CVE-2026-42210