Critical (9.9) in zabbix zabbix. EPSS 79% chance of exploitation in the next 30 days.
A non-admin user account on the Zabbix frontend with the default User role, or with any other role that gives API access can exploit this vulnerability. An SQLi exists in the CUser class in the addRelatedObjects function, this function is being called from the CUser.get function which is available for every user who has API access.
Severity
CVSS 3.1
9.9 critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
79% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)