CVE-2024-31452
OpenFGA Authorization Bypass
OpenFGA is a high-performance and flexible authorization/permission engine. Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs. You are very likely affected if your model involves exclusion (e.g. a but not b) or intersection (e.g. a and b). This vulnerability is fixed in v1.5.3.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
OpenFGA Authorization Bypass
OpenFGA is a high-performance and flexible authorization/permission engine. Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs. You are very likely affected if your model involves exclusion (e.g. a but not b) or intersection (e.g. a and b). This vulnerability is fixed in v1.5.3.
- Record
CVE-2024-31452- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2024-1156
OpenFGA is a high-performance and flexible authorization/permission engine. Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs. You are very likely affected if your model involves exclusion (e.g. a but not b) or intersection (e.g. a and b). This vulnerability is fixed in v1.5.3.
- Record
EUVD-2024-1156- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8cph-m685-6v6r
OpenFGA Authorization Bypass
Overview
Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs.
Am I Affected?
You are very likely affected if your model involves exclusion (e.g. a but not b) or intersection (e.g. a and b) and you have any cyclical relationships. If you are using these, please update as soon as possible.
Fix
Update to v1.5.3
Backward Compatibility
This update is backward compatible.
- Record
GHSA-8cph-m685-6v6r- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-285, CWE-863
- Updated
- 2026-11-02
NVD
OpenFGA is a high-performance and flexible authorization/permission engine. Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs. You are very likely affected if your model involves exclusion (e.g. a but not b) or intersection (e.g. a and b). This vulnerability is fixed in v1.5.3.
- Record
CVE-2024-31452- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
OpenFGA Authorization Bypass
OpenFGA is a high-performance and flexible authorization/permission engine. Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs. You are very likely affected if your model involves exclusion (e.g. a but not b) or intersection (e.g. a and b). This vulnerability is fixed in v1.5.3.
- Record
CVE-2024-31452- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
OSVGHSA-8cph-m685-6v6r
OpenFGA Authorization Bypass
Overview
Some end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs.
Am I Affected?
You are very likely affected if your model involves exclusion (e.g. a but not b) or intersection (e.g. a and b) and you have any cyclical relationships. If you are using these, please update as soon as possible.
Fix
Update to v1.5.3
Backward Compatibility
This update is backward compatible.
- Record
GHSA-8cph-m685-6v6r- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-285, CWE-863
- Updated
- 2026-11-02
OSVGO-2024-2729 No score
OpenFGA Authorization Bypass in github.com/openfga/openfga
OpenFGA Authorization Bypass in github.com/openfga/openfga
- Record
GO-2024-2729- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/openfga/openfgaGo |
1.5.0 up to 1.5.3 | 1.5.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-31452 is a high vulnerability (CVSS 8.1) in Openfga, published April 16, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. Fixed in github.com/openfga/openfga 1.5.3.
References
github.com/openfga/openfga/security/advisories/GHSA-8cph-m685-6v6r
nvd.nist.gov/vuln/detail/CVE-2024-31452