The Tempo Operator's gateway component failed to consistently apply namespace-scoped redaction on some query API response paths when query RBAC was enabled, allowing an authenticated user to read span attributes belonging to other tenants' namespaces.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-43489
https://bugzilla.redhat.com/show_bug.cgi?id=2499635