Discourse is an open source discussion platform. Prior to version 3.0.6 of the `stable` branch and version 3.1.0.beta7 of the `beta` and `tests-passed` branches, information about restricted-visibility topic tags could be obtained by unauthorized users. The issue is patched in version 3.0.6 of the `stable` branch and version 3.1.0.beta7 of the `beta` and `tests-passed` branches.
https://github.com/discourse/discourse/security/advisories/GHSA-wx6x-q4gp-mgv5
https://github.com/discourse/discourse/commit/073661142369a0a66c25775cc3870582a679ef8b