CVE-2026-34160 Chamilo LMS: Unauthenticated SSRF via PENS Plugin allows attacker to probe internal network and reach cloud metadata services

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS Package Exchange Notification Services plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a user-controlled package-url parameter that the server fetche...