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GHSA-h6c8-cww8-35hf

MediumCVSS 5.8 / 10
Published Mar 26, 2026·Last modified Mar 27, 2026
Affected Components(0)

No affected components available

Description

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.
  2. Caching is enabled.

Fix

Upgrade to OpenFGA v1.13.1.

Acknowledgement

OpenFGA would like to thank @Amemoyoi for the discovery and responsible disclosure.

Risk Scores
Base Score
5.8

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
1.5

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.24%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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