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CVE-2023-35933 Details

Description

OPenFGA is an open source authorization/permission engine built for developers. OpenFGA versions v1.1.0 and prior are vulnerable to a DoS attack when Check and ListObjects calls are executed against authorization models that contain circular relationship definitions. Users are affected by this vulnerability if they are using OpenFGA v1.1.0 or earlier, and if you are executing `Check` or `ListObjects` calls against a vulnerable authorization model. Users are advised to upgrade to version 1.1.1. There are no known workarounds for this vulnerability. Users that do not have circular relationships in their models are not affected.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/openfga/openfga/commit/087ce392595f3c319ab3028b5089118ea4063452	CVE	Patch
https://github.com/openfga/openfga/security/advisories/GHSA-hr9r-8phq-5x8j	CVE	Vendor Advisory
https://openfga.dev/api/service#/Relationship%20Queries/Check	CVE	ExploitVendor Advisory
https://openfga.dev/api/service#/Relationship%20Queries/ListObjects	CVE	ExploitVendor Advisory
https://github.com/openfga/openfga/commit/087ce392595f3c319ab3028b5089118ea4063452	[email protected]	Patch
https://github.com/openfga/openfga/security/advisories/GHSA-hr9r-8phq-5x8j	[email protected]	Vendor Advisory
https://openfga.dev/api/service#/Relationship%20Queries/Check	[email protected]	ExploitVendor Advisory
https://openfga.dev/api/service#/Relationship%20Queries/ListObjects	[email protected]	ExploitVendor Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-835	Loop with Unreachable Exit Condition ('Infinite Loop')	[email protected]

Affected Products

Product	Versions
openfga openfga	< 1.1.1
CPE cpe:2.3:a:openfga:openfga:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 6, 2023	Initial Analysis	[email protected]