An issue was discovered in Midnight Commander through 4.8.26. When establishing an SFTP connection, the fingerprint of the server is neither checked nor displayed. As a result, a user connects to the server without the ability to verify its authenticity.
docs.ssh-mitm.at/CVE-2021-36370.html
github.com/MidnightCommander/mc/blob/5c1d3c55dd15356ec7d079084d904b7b0fd58d3e/src/vfs/sftpfs/connection.c#L484
github.com/MidnightCommander/mc/blob/master/src/vfs/sftpfs/connection.c
mail.gnome.org/archives/mc-devel/2021-August/msg00008.html
midnight-commander.org/
sourceforge.net/projects/mcwin32/files/