Medium severity6.5NVD Advisory· Published Aug 25, 2023· Updated Jun 17, 2026

CVE-2023-40579

Description

OpenFGA is an authorization/permission engine built for developers and inspired by Google Zanzibar. Some end users of OpenFGA v1.3.0 or earlier are vulnerable to authorization bypass when calling the ListObjects API. The vulnerability affects customers using ListObjects with specific models. The affected models contain expressions of type rel1 from type1. This issue has been patched in version 1.3.1.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
github.com/openfga/openfgaGo	< 1.3.1	1.3.1

Affected products

Openfga/Openfga2 versions
cpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:*range: <1.3.1
- (no CPE)range: < 1.3.1
ghsa-coords
pkg:golang/github.com/openfga/openfga
Range: < 1.3.1

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-jcf2-mxr2-gmqpghsaADVISORY
github.com/openfga/openfga/security/advisories/GHSA-jcf2-mxr2-gmqpnvdVendor AdvisoryWEB
nvd.nist.gov/vuln/detail/CVE-2023-40579ghsaADVISORY
github.com/openfga/openfga/releases/tag/v1.3.1nvdRelease NotesWEB

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000