Could you try using /dev/null as the default STDIN? 
open my $stdin_fh, '<', '/dev/null' or die "unable to open /dev/null";

my $ssh = Net::OpenSSH->new(SSH_HOST,
                            default_stdin_fh => $stdin_fh,
                            ...
                            );
...

[download]

mod_perl is probably tie'ing STDIN to something that does not have a real file handle behind.

update: besides that, it seems that there are some issue with capture not capturing anything... I am investigating it!

In reply to Re: Net::OpenSSH in a mod_perl handler by salva
in thread Net::OpenSSH in a mod_perl handler by eserte

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