CVE-2025-49113: roundcubemail: Remote Code Execution in Roundcube via Unvalidated _from Parameter

Severity: Critical

CVSS Score: 10

Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.