Last Modified: Feb 05, 2026
Affected Product(s):
F5OS F5OS-A, F5OS-C
Known Affected Versions:
F5OS-A 1.8.0, F5OS-A 1.8.1, F5OS-A 1.8.2, F5OS-A 1.8.3, F5OS-C 1.8.0, F5OS-C 1.8.1, F5OS-C 1.8.2
Opened: Apr 30, 2025 Severity: 3-Major
After logging into the device, the GUI immediately reports "User Session Terminated. You will be logged out of the application." Core files generated from the "validator" process in the confd container (system_manager, vcc-confd, or partition<X>_manager).
Users are not able to access the GUI.
Trying to login to the GUI, and the "limited" group is missing from /etc/group. The "limited" group is an internal role that should always be defined and cannot be deleted by a user. The most likely reason for it to be missing is https://cdn.f5.com/product/bugtracker/ID1858617.html
Apply a workaround for https://cdn.f5.com/product/bugtracker/ID1858617.html
None