CVE-2024-42473

OpenFGA Authorization Bypass

Published Aug 9, 2024 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
OpenFGA is an authorization/permission engine. OpenFGA v1.5.7 and v1.5.8 are vulnerable to authorization bypass when calling Check API with a model that uses `but not` and `from` expressions and a userset. Users should downgrade to v1.5.6 as soon as possible. This downgrade is backward compatible. As of time of publication, a patch is not available but OpenFGA's maintainers are planning a patch for inclusion in a future release.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-2475 OpenFGA is an authorization/permission engine. OpenFGA v1.5.7 and v1.5.8 are vulnerable to authorization bypass when calling Check API with a model that uses `but not` and `from` expressions and a userset. Users should downgrade to v1.5.6 as soon as possible. This downgrade is backward compatible. As of time of publication, a patch is not available but OpenFGA's maintainers are planning a patch for inclusion in a future release.
Github GHSA Github GHSA GHSA-3f6g-m4hr-59h8 OpenFGA Authorization Bypass
History
Type Values Removed Values Added
CPEs cpe:2.3:a:openfga:openfga:1.5.7:*:*:*:*:*:*:*
cpe:2.3:a:openfga:openfga:1.5.8:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Openfga
Openfga openfga
CPEs cpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:*
Vendors & Products Openfga
Openfga openfga
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description OpenFGA is an authorization/permission engine. OpenFGA v1.5.7 and v1.5.8 are vulnerable to authorization bypass when calling Check API with a model that uses `but not` and `from` expressions and a userset. Users should downgrade to v1.5.6 as soon as possible. This downgrade is backward compatible. As of time of publication, a patch is not available but OpenFGA's maintainers are planning a patch for inclusion in a future release.
Title OpenFGA Authorization Bypass
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 10, 2024, 2:21 PM
Reserved
Aug 2, 2024, 2:13 PM
Status
Analyzed
Published
Aug 12, 2024, 1:38 PM
Modified
Jun 17, 2026, 7:49 AM