OpenFGA Authorization Bypass

OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. OpenFGA < v1.8.4 (Helm chart < openfga-0.2.22, docker < v.1.8.4) are vulnerable to authorization bypass when certain Check and ListObject calls are executed. Users on OpenFGA v1.8.4 or previous, specifically under the following conditions are affected by this authorization bypass vulnerability: 1. Calling Check API or ListObjects with a model that has a relation directly assignable to both public access AND userset with the same type. 2. A type bound public access tuple is assigned to an object. 3. userset tuple is not assigned to the same object. and 4. Check request's user field is a userset that has the same type as the type bound public access tuple's user type. Users are advised to upgrade to v1.8.5 which is backwards compatible. There are no known workarounds for this vulnerability.

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授权机制不恰当

OpenFGA 授权问题漏洞

OpenFGA是OpenFGA开源的一款为开发人员构建并受 Google Zanzibar 启发的高性能和灵活的授权/许可引擎。 OpenFGA v1.8.5之前版本存在授权问题漏洞，该漏洞源于容易受到授权绕过的影响。

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