Insufficient session expiration vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. Insufficient session invalidation allowed revoked users to continue accessing known private uploaded files with a stale visit token. Users are recommended to upgrade to version 2.0.3, which fixes the issue.
https://lists.apache.org/thread/lpwc1hpnt3fkfwkh00v5j0dvpzqmnoqk