CVE-2022-39342: OpenFGA Authorization Bypass

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-25 · updated 2026-06-17
Weakness: CWE-285

Description

OpenFGA is an authorization/permission engine. Versions prior to version 0.2.4 are vulnerable to authorization bypass under certain conditions. Users whose model has a relation defined as a tupleset (the right hand side of a ‘from’ statement) that involves anything other than a direct relationship (e.g. ‘as self’) are vulnerable. Version 0.2.4 contains a patch for this issue.

Affected products

openfga: before 0.2.4 — fixed in 0.2.4

How to fix

Upgrade to a fixed version: openfga 0.2.4. Check the vendor advisory for mitigations.

References

https://github.com/openfga/openfga/commit/c8db1ee3d2a366f18e585dd33236340e76e784c4
https://github.com/openfga/openfga/releases/tag/v0.2.4
https://github.com/openfga/openfga/security/advisories/GHSA-f4mm-2r69-mg5f
https://github.com/openfga/openfga/commit/c8db1ee3d2a366f18e585dd33236340e76e784c4
https://github.com/openfga/openfga/releases/tag/v0.2.4
https://github.com/openfga/openfga/security/advisories/GHSA-f4mm-2r69-mg5f

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