The Catalyst-Plugin-Static-Simple module before 0.34 for Perl allows remote attackers to read arbitrary files if there is a '.' character anywhere in the pathname, which differs from the intended policy of allowing access only when the filename itself has a '.' character.
https://rt.cpan.org/Public/Bug/Display.html?id=120558
https://metacpan.org/changes/distribution/Catalyst-Plugin-Static-Simple