sagemath/sagenb — pull request #88 by ppurka (2012-07-23 11:20:48+00:00)
Title: security fix: fix enable/disable of user registration

Apply this to fix the security issue reported at #11080. But apply it to a separate branch that starts from tag 0.9.0.

Maybe call the branch 0.9.x and create a new spkg based on it?