Critical 10-Year-Old Roundcube Webmail Bug Allows Authenticated Users Run Malicious Code

Cybersecurity researchers have disclosed details of a critical security flaw in the Roundcube webmail software that has gone unnoticed for a decade and could be exploited to take over susceptible systems and execute arbitrary code. The vulnerability, tracked as CVE-2025-49113, carries a CVSS score of 9.9 out of 10.0. It has been described as a case of post-authenticated remote code execution via