OpenFGA has an Authorization Bypass through cached keys
### Description In OpenFGA, under specific conditions, models using conditions with caching enabled can result in two different check requests producing the same cache key. This can result in OpenFGA reusing an earlier cached result for a different request. ### Am I Affected? Users are affected if the following preconditions are met: 1. The model has relations which rely on condition evaluation. 1. Caching is enabled. ### Fix Upgrade to OpenFGA v1.13.1. ### Acknowledgement OpenFGA would like to thank @Amemoyoi for the discovery and responsible disclosure.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-33729US | critical9.8OT erhöht | — | ||
OpenFGA is a high-performance and flexible authorization/permission engine built for developers and inspired by Google Zanzibar. In versions prior to 1.13.1, under specific conditi… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/openfga/openfgaPACKAGE
- https://github.com/openfga/openfga/commit/049b50ccd2cc7e163bd897f3d17a7b859ad146f8WEB
- https://github.com/openfga/openfga/releases/tag/v1.13.1WEB
- https://github.com/openfga/openfga/security/advisories/GHSA-h6c8-cww8-35hfWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-33729ADVISORY
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