References to Advisories, Solutions, and Tools

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Change History

{"timestamp":"2026-07-20T17:41:30.708298Z","id":"CVE-2026-42210","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

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.

AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CWE-287

https://github.com/webmin/webmin/commit/da18a16c84ae5c0b78cad79609cb0efb174000ec

https://github.com/webmin/webmin/security/advisories/GHSA-qpww-fff2-6fgv

[{"vendor":"webmin","product":"webmin","versions":[{"version":"< 2.640","status":"affected"}]}]