A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
https://docs.github.com/en/[email protected]/admin/release-notes#3.9.7
https://docs.github.com/en/[email protected]/admin/release-notes#3.8.12
https://docs.github.com/en/[email protected]/admin/release-notes#3.11.1
https://docs.github.com/en/[email protected]/admin/release-notes#3.10.4