High (8.8) in openmediavault openmediavault. EPSS 65% chance of exploitation in the next 30 days.
openmediavault before 4.1.36 and 5.x before 5.5.12 allows authenticated PHP code injection attacks, via the sortfield POST parameter of rpc.php, because json_encode_safe is not used in config/databasebackend.inc. Successful exploitation allows arbitrary command execution on the underlying operating system as root.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
65% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)