diff --git a/doc/src/sgml/ref/create_role.sgml b/doc/src/sgml/ref/create_role.sgml index 16cd16ef5ac..e69d6899dd0 100644 --- a/doc/src/sgml/ref/create_role.sgml +++ b/doc/src/sgml/ref/create_role.sgml @@ -1,5 +1,5 @@ @@ -344,6 +344,19 @@ where option can be: specified in the SQL standard. + + Be careful with the CREATEROLE privilege. There is no concept of + inheritance for the privileges of a CREATEROLE-role. That + means that even if a role does not have a certain privilege but is allowed + to create other roles, it can easily create another role with different + privileges than its own (except for creating roles with superuser + privileges). For example, if the role user has the + CREATEROLE privilege but not the CREATEDB privilege, + nonetheless it can create a new role with the CREATEDB + privilege. Therefore, regard roles that have the CREATEROLE + privilege as almost-superuser-roles. + + PostgreSQL includes a program that has