CVE-2023-40579 json
OpenFGA Authorization Bypass
published 2023-08-25 3 y ago modified 2026-06-17 4 mo ago also GHSA-jcf2-mxr2-gmqp , GO-2023-2028 , EUVD-2023-2315
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- go github.com/openfga/openfga 1.3.1
- openfga openfga 1.3.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/openfga/openfga | <1.3.1 |
1.3.1 |
Affected products
- openfga openfga
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
github.com
/openfga/openfga/security/advisories/GHSA-jcf2-mxr2-gmqp
web, vendor-advisory, advisory
-
github.com
/openfga/openfga/releases/tag/v1.3.1
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2023-40579
advisory
-
github.com
/openfga/openfga
package
Sources
- CVE List CVE-2023-40579
- GitHub Advisory GHSA-jcf2-mxr2-gmqp
- NVD CVE-2023-40579
- OSV GO-2023-2028
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