CVE-2026-56020 | Webmin HTTP Server up to 2.640 HTTP Header miniserv.pl authentication spoofing (EUVD-2026-37909 / WID-SEC-2026-2014)
A vulnerability classified as critical was found in Webmin HTTP Server up to 2.640. The affected element is an unknown function of the file miniserv.pl of the component HTTP Header Handler. The manipulation results in authentication bypass by spoofing.
This vulnerability is identified as CVE-2026-56020. The attack can be executed remotely. There is not any exploit available.
Upgrading the affected component is advised.