{"id":"CVE-2024-42473","aliases":["EUVD-2024-2475","GHSA-3f6g-m4hr-59h8","GO-2024-3061"],"status":"published","title":"OpenFGA Authorization Bypass","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00527,"percentile":0.44883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285","CWE-863"],"published":"2024-08-09T21:16:17Z","modified":"2026-10-28T02:31:11Z","fixes":[{"ecosystem":"Go","package":"github.com/openfga/openfga","fixed_in":["1.5.9"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/openfga/openfga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5.7"},{"fixed":"1.5.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/openfga/openfga","ranges":[{"type":"SEMVER","events":[{"introduced":"1.5.7"},{"fixed":"1.5.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/openfga/openfga","ranges":[{"type":"SEMVER","events":[{"introduced":"1.5.7"},{"fixed":"1.5.9"}]}]}],"products":[{"vendor":"openfga","product":"openfga"}],"references":[{"url":"https://github.com/openfga/openfga/security/advisories/GHSA-3f6g-m4hr-59h8","tags":["x_refsource_CONFIRM","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42473","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3f6g-m4hr-59h8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42473.json","tags":["advisory"]},{"url":"https://github.com/openfga/openfga","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-42473","title":"OpenFGA Authorization Bypass","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.","status":"published","published":"2024-08-09T21:16:17.683Z","modified":"2024-08-10T14:21:04.103Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:34:03.00063Z"}],"euvd":[{"id":"EUVD-2024-2475","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.","status":"published","published":"2024-08-09T21:16:17Z","modified":"2024-08-10T14:21:04Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T00:56:20.709797Z"}],"ghsa":[{"id":"GHSA-3f6g-m4hr-59h8","title":"OpenFGA Authorization Bypass","description":"## Overview\n\nOpenFGA 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. \n\n## Fix\n\n- If you are using OpenFGA within Docker or as a Go library, as a binary, or through Docker, upgrade to v1.5.9 as soon as possible\n- If using Helm chart, upgrade to 0.2.12 as soon as possible. \n\nThis fix is backward compatible.","status":"published","published":"2024-08-09T21:23:26Z","modified":"2024-08-14T17:18:27Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-285","CWE-863"],"updated_at":"2026-11-02T14:37:59.336921Z"}],"nvd":[{"id":"CVE-2024-42473","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.","status":"published","published":"2024-08-12T13:38:35.68Z","modified":"2026-06-17T07:49:31.137Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:10:18.563492Z"}],"osv":[{"id":"CVE-2024-42473","title":"OpenFGA Authorization Bypass","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.","status":"published","published":"2024-08-09T21:16:17.683Z","modified":"2026-10-28T02:31:11.351178963Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:44:42.322107Z"},{"id":"GHSA-3f6g-m4hr-59h8","title":"OpenFGA Authorization Bypass","description":"## Overview\n\nOpenFGA 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. \n\n## Fix\n\n- If you are using OpenFGA within Docker or as a Go library, as a binary, or through Docker, upgrade to v1.5.9 as soon as possible\n- If using Helm chart, upgrade to 0.2.12 as soon as possible. \n\nThis fix is backward compatible.","status":"published","published":"2024-08-09T21:23:26Z","modified":"2024-08-14T17:18:24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"},{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-285","CWE-863"],"updated_at":"2026-11-02T15:46:35.747385Z"},{"id":"GO-2024-3061","title":"OpenFGA Authorization Bypass in github.com/openfga/openfga","description":"OpenFGA Authorization Bypass in github.com/openfga/openfga","status":"published","published":"2024-08-13T23:22:02Z","modified":"2026-03-03T04:55:41.726091Z","updated_at":"2026-11-02T15:47:01.453823Z"}]}}