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OpenFGA Authorization Bypass
High severity
GitHub Reviewed
Published
Apr 16, 2024
in
openfga/openfga
•
Updated Apr 17, 2024
Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs.
Am I Affected?
You are very likely affected if your model involves exclusion (e.g. a but not b) or intersection (e.g. a and b) and you have any cyclical relationships. If you are using these, please update as soon as possible.
Overview
Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs.
Am I Affected?
You are very likely affected if your model involves exclusion (e.g.
a but not b
) or intersection (e.g.a and b
) and you have any cyclical relationships. If you are using these, please update as soon as possible.Fix
Update to v1.5.3
Backward Compatibility
This update is backward compatible.
References