HTTP::Tiny before 0.083, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where users must opt in to verify certificates.
https://www.reddit.com/r/perl/comments/111tadi/psa_httptiny_disabled_ssl_verification_by_default/
https://www.openwall.com/lists/oss-security/2023/05/03/4
https://www.openwall.com/lists/oss-security/2023/04/18/14
https://hackeriet.github.io/cpan-http-tiny-overview/
https://github.com/chansen/p5-http-tiny/pull/153
https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
http://www.openwall.com/lists/oss-security/2023/05/07/2
http://www.openwall.com/lists/oss-security/2023/05/03/5