CVE-2026-56022

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.640...

CVE-2026-56021

Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern...

CVE-2026-56022

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.640...

CVE-2026-56020

The Webmin HTTP server miniserv.pl allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.202...

CVE-2026-56020

The Webmin HTTP server miniserv.pl allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.641...

CVE-2026-56020 Webmin HTTP header authentication bypass

The Webmin HTTP server miniserv.pl allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.641...

CVE-2026-56020 Webmin HTTP header authentication bypass

The Webmin HTTP server miniserv.pl allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.202...

CVE-2026-56020

The CVE-2026-56020 affects the Webmin HTTP server (miniserv.pl). An unauthenticated attacker can bypass authentication by sending a forged HTTP header to impersonate any user who has an SSL client certificate configured, effectively spoofing certificate DNs to gain access. This is a network-based...

CVE-2026-56020 Webmin HTTP header authentication bypass

The Webmin HTTP server miniserv.pl allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.202...

EUVD-2026-37909

The Webmin HTTP server miniserv.pl allows unauthenticated attackers to impersonate any user with a configured SSL client certificate by sending a forged HTTP header. A remote attacker can spoof certificate DNs and authenticate as any user. Fixed in 2.641...

CVE-2026-56021

Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern...

CVE-2026-56021 Webmin information disclosure via regex pattern

Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern...

CVE-2026-56021 Webmin information disclosure via regex pattern

Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern...

CVE-2026-56021

CVE-2026-56021 affects Webmin. An unauthenticated attacker can read contents of any .conf file in module directories because of a bypassable regex pattern, causing information disclosure (confidentiality impact: low). The CVSS metrics place it at Medium: CVSS v3.1 base score 5.3 (NETWORK, LOW com...

EUVD-2026-37908

Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern...

CVE-2026-56021 Webmin information disclosure via regex pattern

Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern...

EUVD-2026-37907

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.641...

CVE-2026-56022 Webmin MFA bypass

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.640...

CVE-2026-56022

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.641...

CVE-2026-56022 Webmin MFA bypass

Webmin accepts basic authentication without session cookies when an attacker provides the 'User-Agent: webmin' header, allowing bypass of additional MFA requirements. Fixed in 2.641...