The document package contained a document not available to the NSA commission but to some foreign affairs commission. Only very few people have access to documents of both commissions.

The more interesting part is: this leak was completely useless. Although the documents are not for the public, they're also not rated as a secret. This means that every politician with access is allowed to tell the press about it, only publishing is not allowed. As we have a useful opposition in Germany there was nothing new in the documents...