Queue deletion via the HTTP API was not verifying the configure permission of the user.
Users who had all of the following:
could delete queues it had no (deletion) permissions for.
Disable management plugin and use, for example, Prometheus and Grafana for monitoring.
OWASP Top10 A01:2021 – Broken Access Control
3.12.11Exploitability
AV:NAC:LAT:NPR:LUI:NVulnerable System
VC:NVI:HVA:NSubsequent System
SC:NSI:NSA:NCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N