{"id":"CVE-2024-31452","aliases":["EUVD-2024-1156","GHSA-8cph-m685-6v6r","GO-2024-2729"],"status":"published","title":"OpenFGA Authorization Bypass","description":"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.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00656,"percentile":0.51734,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285","CWE-863"],"published":"2024-04-16T21:40:58Z","modified":"2026-10-28T02:30:57Z","fixes":[{"ecosystem":"Go","package":"github.com/openfga/openfga","fixed_in":["1.5.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/openfga/openfga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.5.0"},{"fixed":"1.5.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/openfga/openfga","ranges":[{"type":"SEMVER","events":[{"introduced":"1.5.0"},{"fixed":"1.5.3"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/openfga/openfga","ranges":[{"type":"SEMVER","events":[{"introduced":"1.5.0"},{"fixed":"1.5.3"}]}]}],"products":[{"vendor":"openfga","product":"openfga"}],"references":[{"url":"https://github.com/openfga/openfga/security/advisories/GHSA-8cph-m685-6v6r","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openfga/openfga/commit/b6a6d99b2bdbf8c3781503989576076289f48ed2","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-31452","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8cph-m685-6v6r"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31452.json","tags":["advisory"]},{"url":"https://github.com/openfga/openfga","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-31452","title":"OpenFGA Authorization Bypass","description":"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.","status":"published","published":"2024-04-16T21:40:58.856Z","modified":"2024-08-02T01:52:56.95Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:34:13.991836Z"}],"euvd":[{"id":"EUVD-2024-1156","description":"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.","status":"published","published":"2024-04-16T21:40:58Z","modified":"2024-08-02T01:52:56Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:24.06764Z"}],"ghsa":[{"id":"GHSA-8cph-m685-6v6r","title":"OpenFGA Authorization Bypass","description":"# Overview\nSome end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs.\n\n# Am I Affected?\nYou 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.\n\n# Fix\nUpdate to v1.5.3\n\n# Backward Compatibility\nThis update is backward compatible.","status":"published","published":"2024-04-16T22:57:58Z","modified":"2024-04-17T17:05:29Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-285","CWE-863"],"updated_at":"2026-11-02T14:37:43.62603Z"}],"nvd":[{"id":"CVE-2024-31452","description":"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.","status":"published","published":"2024-04-16T22:15:35.003Z","modified":"2026-06-17T07:28:27.21Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","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":"2026-11-02T14:09:52.184911Z"}],"osv":[{"id":"CVE-2024-31452","title":"OpenFGA Authorization Bypass","description":"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.","status":"published","published":"2024-04-16T21:40:58.856Z","modified":"2026-10-28T02:30:57.101489582Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:44:40.06138Z"},{"id":"GHSA-8cph-m685-6v6r","title":"OpenFGA Authorization Bypass","description":"# Overview\nSome end users of OpenFGA v1.5.0 or later are vulnerable to authorization bypass when calling Check or ListObjects APIs.\n\n# Am I Affected?\nYou 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.\n\n# Fix\nUpdate to v1.5.3\n\n# Backward Compatibility\nThis update is backward compatible.","status":"published","published":"2024-04-16T22:57:58Z","modified":"2026-09-10T03:50:12.59045974Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-285","CWE-863"],"updated_at":"2026-11-02T15:46:42.077781Z"},{"id":"GO-2024-2729","title":"OpenFGA Authorization Bypass in github.com/openfga/openfga","description":"OpenFGA Authorization Bypass in github.com/openfga/openfga","status":"published","published":"2024-06-04T15:19:21Z","modified":"2026-03-03T04:55:13.768812Z","updated_at":"2026-11-02T15:47:01.453823Z"}]}}