CVE-2026-42210 — Webmin 2FA requirement bypass
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),…
Published: 2026-07-20 · CVSS: 5.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7