Critical (9.1). EPSS 2.6% chance of exploitation in the next 30 days.
Incorrect Access Control in Cfx.re FXServer v9601 and earlier allows unauthenticated users to modify and read arbitrary user data via exposed API endpoint
Severity
CVSS 3.1
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)