Zeroc00i News & Tricks Roundcube ≤ 1.6.10 Post-Auth RCE via PHP Object Deserialization | CVE-2025-48745 Kirill Firsov discovered a Post-authentication RCE in Roundcube Webmail (v1.1.0 till current 1.6.10) that has existed unnoticed for 10 years, and which affects over 53 Million…