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Dancer2-0.203001
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Security Advisories (2)
CPANSA-Dancer2-2018-01 (2018-01-30)

There is a potential RCE with regards to Storable. We have added session ID validation to the session engine so that session backends based on Storable can reject malformed session IDs that may lead to exploitation of the RCE.

CVE-2026-13577 (2026-07-20)

Dancer2 versions through 2.1.0 for Perl generate insecure session ids when required CSPRNG modules are unavailable. Dancer2::Core::Role::SessionFactory::generate_id silently falls back to a built-in rand-derived session id unless both Math::Random::ISAAC::XS and Crypt::URandom are available. The fallback session id is generated from a SHA-1 hash of a call to the built-in rand function, the absolute path of the Dancer2::Core::Role::SessionFactory module, an internal counter, the process id, the module instance memory address, and a shuffled string of characters (using the List::Util::shuffle function, which also uses the built-in rand function). These are all low-entropy and easily guessed sources. The built-in rand() function is seeded with 32-bits and considered unsuitable for security applications. Predictable session ids could allow an attacker to gain access to systems.

NAME

Dancer2::Handler::AutoPage - Class for handling the AutoPage feature

VERSION

version 0.203001

DESCRIPTION

The AutoPage feature is a Handler (turned off by default) that is responsible for serving pages that match an existing template. If a view exists with a name that matches the requested path, Dancer2 processes the request using the Autopage handler.

To turn it add to your config file:

auto_page: 1

This allows you to easily serve simple pages without having to write a route definition for them.

If there's no view with the name request, the route passes, allowing other matching routes to be dispatched.

METHODS

register

Creates the routes.

code

A code reference that processes the route request.

methods

The methods that should be served for autopages.

Default: head, get.

regexp

The regexp (path) we want to match.

Default: /:page.

AUTHOR

Dancer Core Developers

COPYRIGHT AND LICENSE

This software is copyright (c) 2016 by Alexis Sukrieh.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.