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GHSA-8396-jffm-qx4w
No affected components available
Description
In OpenFGA, when iterator caching is enabled, two distinct check requests can produce the same cache key, leading to OpenFGA reusing an earlier cached result for a subsequent request.
Preconditions
This applies if the following preconditions are present:
- FGA runs with SharedIteratorCache enabled,
- FGA runs with ListObjectsIteratorCache enabled.
Fix
Upgrade to version 1.16.0 or greater.
Acknowledgements
OpenFGA would like to thank @j4xT for the discovery and the detailed report.
The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data. There is a low impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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