X-Plane before 11.41 has multiple improper path validations that could allow reading and writing files from/to arbitrary paths (or a leak of OS credentials to a remote system) via crafted network packets. This could be used to execute arbitrary commands on the system.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.4% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)