CVE-2026-71276 Magistrala (formerly Mainflux) IoT Platform SQL Injection via format Query Parameter

Magistrala formerly Mainflux's message-readers API reads a format value from the HTTP query string readers/api/http/transport.go with no validation and interpolates it directly into raw SQL queries via fmt.Sprintf in both the PostgreSQL reader readers/postgres/messages.go: fmt.Sprintf"SELECT FROM...