/usr/share/perl5/CPAN/ is in libcpan-meta-perl 2.150005-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/CPAN/Meta/
/usr/share/perl5/CPAN/Meta.pm
/usr/share/perl5/CPAN/Meta/Converter.pm
/usr/share/perl5/CPAN/Meta/Feature.pm
/usr/share/perl5/CPAN/Meta/History/
/usr/share/perl5/CPAN/Meta/History.pm
/usr/share/perl5/CPAN/Meta/History/Meta_1_0.pod
/usr/share/perl5/CPAN/Meta/History/Meta_1_1.pod
/usr/share/perl5/CPAN/Meta/History/Meta_1_2.pod
/usr/share/perl5/CPAN/Meta/History/Meta_1_3.pod
/usr/share/perl5/CPAN/Meta/History/Meta_1_4.pod
/usr/share/perl5/CPAN/Meta/Merge.pm
/usr/share/perl5/CPAN/Meta/Prereqs.pm
/usr/share/perl5/CPAN/Meta/Spec.pm
/usr/share/perl5/CPAN/Meta/Validator.pm