Catalyst::Plugin::Authentication versions through 0.10024 for Perl is susceptible to timing attacks. These versions use Perl's built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash or password.

• https://metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10_025/changes
• https://github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/b0515f492257438cf07082acf1e10d06e8088a5e.patch

Catalyst::Plugin::Authentication versions before 0.10_027 for Perl is susceptible to session fixation attacks. Catalyst::Plugin::Authentication does not automatically change the session id after authentication. An attacker that obtains a session id cookie can use this to impersonate the victim.

• https://metacpan.org/release/ETHER/Catalyst-Plugin-Authentication-0.10_027/changes
• https://github.com/perl-catalyst/Catalyst-Plugin-Authentication/commit/b1385ea87a2491b64f33169222af19982d0acce3.patch
• https://metacpan.org/pod/Catalyst::Plugin::Session#change_session_id
• https://metacpan.org/pod/Plack::Middleware::Session#change_id