CVE-2018-20718: Pydio

Critical severity, CVSS 9.8. EPSS: 3.7% chance of exploitation in the next 30 days.

In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a "public link" of a file, or access to any unprivileged user account for creation of such a link.

Affected products

  • Pydio Pydio: before 8.2.2 (fixed in 8.2.2)

Published 2019-01-15. Last modified 2026-06-17.