Default SilverStripe GraphQL Server (aka silverstripe/graphql) 3.x through 3.4.1 permission checker not inherited by query subclass.
github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/graphql/CVE-2021-28661.yaml
github.com/silverstripe/silverstripe-graphql
github.com/silverstripe/silverstripe-graphql/pull/407/commits/16961459f681f7b32145296189dfdbcc7715e6ed
github.com/silverstripe/silverstripe-graphql/releases
github.com/silverstripe/silverstripe-graphql/releases/tag/3.5.2
nvd.nist.gov/vuln/detail/CVE-2021-28661
www.silverstripe.org/download/security-releases/CVE-2021-28661