Laravel Cookie serialization vulnerability

Impact

Laravel 5.6.30 is a security release of Laravel and is recommended as an immediate upgrade for all users. Laravel 5.6.30 also contains a breaking change to cookie encryption and serialization logic. Refer to laravel advisory for more details and read the notes carefully when upgrading your application.

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Original source description

References

• Security advisory github.com/FriendsOfPHP/security-advisories/blob/master/illuminate/cookie/2018-08-08-1.yaml
• Source reference github.com/illuminate/cookie
• Source reference laravel.com/docs/5.6/upgrade