Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
From VID-570706FF-7EE0-11EA-BD0B-001B217B3468:
Gitlab reports:
NuGet Package and File Disclosure through GitLab Workhorse
Job Artifact Uploads and File Disclosure through GitLab Workhorse
Incorrect membership following group removal
Logging of Praefect tokens
Update Rack dependency
Update OpenSSL dependency
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