Hidden fields can be leaked on readable collections in Payload

Details

If a user has access to documents that contain hidden fields or fields they do not have access to, the user could reverse-engineer those values via brute force.

Affected versions: < 1.7.0

Workarounds

If you are unable to update, you can write a beforeOperation hook to remove where queries that attempt to access hidden field data.

Detecting Compromise

Monitor your instance for brute-force style requests against your instance using where queries.