{"id":"PYSEC-2026-2956","summary":"Prefect Auth Bypass via endswith() Health Check Exemption","details":"A vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 3.6.22 will fix this issue. Upgrading the affected component is recommended.","aliases":["CVE-2026-7722","GHSA-6rr6-v7cj-mxpg"],"modified":"2026-07-13T16:32:07.226178048Z","published":"2026-07-13T15:02:56.708327Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7722"},{"type":"WEB","url":"https://github.com/PrefectHQ/prefect/pull/21063"},{"type":"WEB","url":"https://github.com/PrefectHQ/prefect/pull/21063/changes/d8c4ff97ef7c0a940925d32b2d76324c8def42de"},{"type":"WEB","url":"https://github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f3b79"},{"type":"WEB","url":"https://gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04"},{"type":"PACKAGE","url":"https://github.com/PrefectHQ/prefect"},{"type":"WEB","url":"https://github.com/PrefectHQ/prefect/releases/tag/3.6.22"},{"type":"WEB","url":"https://vuldb.com/submit/807255"},{"type":"WEB","url":"https://vuldb.com/vuln/360898"},{"type":"WEB","url":"https://vuldb.com/vuln/360898/cti"},{"type":"PACKAGE","url":"https://pypi.org/project/prefect"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-6rr6-v7cj-mxpg"}],"affected":[{"package":{"name":"prefect","ecosystem":"PyPI","purl":"pkg:pypi/prefect"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.22"}]}],"versions":["0.10.0","0.10.1","0.10.2","0.10.3","0.10.4","0.10.5","0.10.6","0.10.7","0.11.0","0.11.1","0.11.2","0.11.3","0.11.4","0.11.5","0.12.0","0.12.1","0.12.2","0.12.3","0.12.4","0.12.5","0.12.6","0.13.0","0.13.1","0.13.10","0.13.11","0.13.12","0.13.13","0.13.14","0.13.15","0.13.16","0.13.17","0.13.18","0.13.19","0.13.2","0.13.3","0.13.4","0.13.5","0.13.6","0.13.7","0.13.8","0.13.9","0.14.0","0.14.1","0.14.10","0.14.11","0.14.12","0.14.13","0.14.14","0.14.15","0.14.16","0.14.17","0.14.18","0.14.19","0.14.2","0.14.20","0.14.21","0.14.22","0.14.3","0.14.4","0.14.5","0.14.6","0.14.7","0.14.8","0.14.9","0.15.0","0.15.1","0.15.10","0.15.11","0.15.12","0.15.13","0.15.2","0.15.3","0.15.4","0.15.5","0.15.6","0.15.7","0.15.8","0.15.9","0.5.0","0.5.1","0.5.2","0.5.3","0.5.4","0.5.5","0.6.0","0.6.1","0.6.2","0.6.3","0.6.4","0.6.5","0.6.6","0.6.7","0.7.0","0.7.1","0.7.2","0.7.3","0.8.0","0.8.1","0.9.0","0.9.1","0.9.2","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","1.0.0","1.0rc1","1.1.0","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.3.0","1.3.1","1.4.0","1.4.1","2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0a1","2.0a10","2.0a11","2.0a12","2.0a13","2.0a2","2.0a3","2.0a4","2.0a5","2.0a6","2.0a7","2.0a8","2.0a9","2.0b1","2.0b10","2.0b11","2.0b12","2.0b13","2.0b14","2.0b15","2.0b16","2.0b2","2.0b3","2.0b4","2.0b5","2.0b6","2.0b7","2.0b8","2.0b9","2.1.0","2.1.1","2.10.0","2.10.1","2.10.10","2.10.11","2.10.12","2.10.13","2.10.14","2.10.15","2.10.16","2.10.17","2.10.18","2.10.19","2.10.2","2.10.20","2.10.21","2.10.3","2.10.4","2.10.5","2.10.6","2.10.7","2.10.8","2.10.9","2.11.0","2.11.1","2.11.2","2.11.3","2.11.4","2.11.5","2.12.0","2.12.1","2.13.0","2.13.1","2.13.2","2.13.3","2.13.4","2.13.5","2.13.6","2.13.7","2.13.8","2.14.0","2.14.1","2.14.10","2.14.11","2.14.12","2.14.13","2.14.14","2.14.15","2.14.16","2.14.17","2.14.18","2.14.19","2.14.2","2.14.20","2.14.21","2.14.3","2.14.4","2.14.5","2.14.6","2.14.8","2.14.9","2.15.0","2.16.0","2.16.1","2.16.2","2.16.3","2.16.4","2.16.5","2.16.6","2.16.7","2.16.8","2.16.9","2.17.0","2.17.1","2.18.0","2.18.1","2.18.2","2.18.3","2.19.0","2.19.1","2.19.2","2.19.3","2.19.4","2.19.5","2.19.6","2.19.7","2.19.8","2.19.9","2.2.0","2.20.0","2.20.1","2.20.10","2.20.11","2.20.12","2.20.13","2.20.14","2.20.15","2.20.16","2.20.17","2.20.18","2.20.19","2.20.2","2.20.20","2.20.21","2.20.22","2.20.23","2.20.24","2.20.25","2.20.3","2.20.4","2.20.5","2.20.6","2.20.7","2.20.8","2.20.9","2.3.0","2.3.1","2.3.2","2.4.0","2.4.1","2.4.2","2.4.3","2.4.4","2.4.5","2.5.0","2.6.0","2.6.1","2.6.2","2.6.3","2.6.4","2.6.5","2.6.6","2.6.7","2.6.8","2.6.9","2.7.0","2.7.1","2.7.10","2.7.11","2.7.12","2.7.2","2.7.3","2.7.4","2.7.5","2.7.6","2.7.7","2.7.8","2.7.9","2.8.0","2.8.1","2.8.2","2.8.3","2.8.4","2.8.5","2.8.6","2.8.7","2.82","2.9.0","3.0.0","3.0.0rc1","3.0.0rc10","3.0.0rc11","3.0.0rc12","3.0.0rc13","3.0.0rc14","3.0.0rc15","3.0.0rc16","3.0.0rc17","3.0.0rc18","3.0.0rc19","3.0.0rc2","3.0.0rc20","3.0.0rc3","3.0.0rc4","3.0.0rc5","3.0.0rc6","3.0.0rc7","3.0.0rc8","3.0.0rc9","3.0.1","3.0.10","3.0.11","3.0.11.dev1","3.0.11.dev10","3.0.11.dev2","3.0.11.dev3","3.0.11.dev4","3.0.11.dev5","3.0.11.dev6","3.0.11.dev7","3.0.11.dev8","3.0.12.dev1","3.0.12.dev2","3.0.12.dev3","3.0.2","3.0.3","3.0.4","3.0.5","3.0.5.dev1","3.0.5.dev2","3.0.5.dev3","3.0.5.dev4","3.0.6","3.0.7","3.0.8","3.0.9","3.0.9.dev1","3.0.9.dev2","3.0.9.dev3","3.1.0","3.1.1","3.1.1.dev1","3.1.1.dev2","3.1.1.dev3","3.1.1.dev4","3.1.1.dev5","3.1.1.dev6","3.1.10","3.1.10.dev1","3.1.10.dev2","3.1.10.dev3","3.1.11","3.1.11.dev1","3.1.11.dev2","3.1.11.dev3","3.1.11.dev4","3.1.11.dev5","3.1.12","3.1.12.dev1","3.1.12.dev2","3.1.12.dev3","3.1.12.dev4","3.1.12.dev5","3.1.13","3.1.13.dev1","3.1.13.dev2","3.1.13.dev3","3.1.13.dev4","3.1.13.dev5","3.1.13.dev6","3.1.14","3.1.14.dev1","3.1.14.dev2","3.1.14.dev3","3.1.14.dev4","3.1.15","3.1.15.dev1","3.1.15.dev2","3.1.15.dev3","3.1.15.dev4","3.1.15.dev5","3.1.15.dev6","3.1.16.dev1","3.1.16.dev2","3.1.16.dev3","3.1.16.dev4","3.1.16.dev5","3.1.16.dev6","3.1.16.dev7","3.1.2","3.1.2.dev1","3.1.2.dev2","3.1.3","3.1.3.dev1","3.1.3.dev2","3.1.3.dev3","3.1.3.dev4","3.1.3.dev5","3.1.4","3.1.5","3.1.5.dev1","3.1.5.dev2","3.1.5.dev3","3.1.5.dev4","3.1.5.dev5","3.1.6","3.1.6.dev1","3.1.6.dev2","3.1.6.dev3","3.1.6.dev4","3.1.6.dev5","3.1.6.dev6","3.1.6.dev7","3.1.6.dev8","3.1.6.dev9","3.1.7","3.1.7.dev1","3.1.7.dev2","3.1.7.dev3","3.1.7.dev4","3.1.8","3.1.8.dev1","3.1.9","3.1.9.dev1","3.1.9.dev2","3.1.9.dev3","3.2.0","3.2.1","3.2.10","3.2.10.dev1","3.2.10.dev2","3.2.10.dev3","3.2.10.dev4","3.2.11","3.2.12","3.2.12.dev1","3.2.12.dev2","3.2.12.dev3","3.2.12.dev4","3.2.13","3.2.13.dev2","3.2.13.dev3","3.2.13.dev4","3.2.14","3.2.14.dev1","3.2.14.dev2","3.2.14.dev3","3.2.15","3.2.15.dev1","3.2.15.dev2","3.2.15.dev3","3.2.15.dev4","3.2.15.dev5","3.2.15.dev6","3.2.15.dev7","3.2.15.dev8","3.2.15.dev9","3.2.16.dev1","3.2.2","3.2.2.dev1","3.2.2.dev2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.7.dev1","3.2.8","3.2.8.dev1","3.2.8.dev2","3.2.8.dev3","3.2.8.dev4","3.2.9","3.3.0","3.3.1","3.3.2","3.3.2.dev1","3.3.2.dev2","3.3.3","3.3.3.dev1","3.3.4","3.3.4.dev1","3.3.4.dev2","3.3.4.dev3","3.3.5","3.3.5.dev1","3.3.5.dev2","3.3.5.dev3","3.3.5.dev4","3.3.6","3.3.6.dev1","3.3.6.dev2","3.3.6.dev3","3.3.6.dev4","3.3.7","3.3.7.dev1","3.3.8.dev1","3.3.8.dev2","3.3.8.dev3","3.3.8.dev4","3.4.0","3.4.1","3.4.1.dev1","3.4.1.dev2","3.4.1.dev3","3.4.1.dev4","3.4.1.dev5","3.4.10","3.4.10.dev1","3.4.11","3.4.11.dev1","3.4.11.dev2","3.4.11.dev3","3.4.11.dev4","3.4.11.dev5","3.4.12","3.4.12.dev1","3.4.12.dev2","3.4.12.dev3","3.4.12.dev4","3.4.13","3.4.13.dev1","3.4.13.dev2","3.4.13.dev3","3.4.14","3.4.14.dev1","3.4.14.dev2","3.4.14.dev3","3.4.14.dev4","3.4.15","3.4.15.dev1","3.4.15.dev2","3.4.15.dev3","3.4.15.dev4","3.4.16","3.4.16.dev1","3.4.16.dev2","3.4.16.dev3","3.4.16.dev4","3.4.16.dev5","3.4.16.dev6","3.4.17","3.4.18","3.4.18.dev1","3.4.18.dev2","3.4.18.dev3","3.4.18.dev4","3.4.18.dev5","3.4.19","3.4.19.dev1","3.4.19.dev2","3.4.19.dev3","3.4.19.dev4","3.4.19.dev5","3.4.2","3.4.2.dev1","3.4.2.dev2","3.4.2.dev3","3.4.2.dev4","3.4.2.dev5","3.4.20","3.4.20.dev1","3.4.20.dev2","3.4.21","3.4.21.dev1","3.4.21.dev2","3.4.21.dev3","3.4.21.dev4","3.4.21.dev5","3.4.22","3.4.23","3.4.23.dev1","3.4.23.dev2","3.4.23.dev3","3.4.24","3.4.24.dev1","3.4.24.dev2","3.4.24.dev3","3.4.24.dev4","3.4.24.dev5","3.4.25","3.4.25.dev1","3.4.25.dev2","3.4.25.dev3","3.4.25.dev4","3.4.25.dev5","3.4.26.dev1","3.4.26.dev2","3.4.26.dev3","3.4.26.dev4","3.4.26.dev5","3.4.26.dev6","3.4.3","3.4.3.dev1","3.4.3.dev2","3.4.4","3.4.4.dev1","3.4.4.dev2","3.4.5","3.4.5.dev1","3.4.5.dev2","3.4.5.dev3","3.4.5.dev4","3.4.5.dev5","3.4.6","3.4.6.dev1","3.4.6.dev2","3.4.7","3.4.7.dev1","3.4.7.dev2","3.4.7.dev3","3.4.7.dev4","3.4.7.dev5","3.4.7.dev6","3.4.7.dev7","3.4.7.dev8","3.4.7.dev9","3.4.8","3.4.8.dev1","3.4.8.dev2","3.4.8.dev3","3.4.8.dev4","3.4.8.dev5","3.4.8.dev6","3.4.8.dev7","3.4.8.dev8","3.4.9","3.4.9.dev1","3.4.9.dev2","3.4.9.dev3","3.4.9.dev4","3.4.9.dev5","3.5.0","3.5.1.dev1","3.5.1.dev2","3.5.1.dev3","3.5.1.dev4","3.6.0","3.6.1","3.6.1.dev1","3.6.10","3.6.11","3.6.12","3.6.13","3.6.13.dev2","3.6.14","3.6.14.dev1","3.6.14.dev2","3.6.14.dev3","3.6.14.dev4","3.6.14.dev5","3.6.14.dev6","3.6.14.dev7","3.6.15","3.6.16","3.6.16.dev2","3.6.16.dev3","3.6.16.dev4","3.6.16.dev5","3.6.16.dev6","3.6.16.dev7","3.6.17","3.6.17.dev1","3.6.17.dev4","3.6.17.dev5","3.6.17.dev6","3.6.18","3.6.18.dev1","3.6.18.dev2","3.6.18.dev3","3.6.18.dev4","3.6.18.dev5","3.6.18.dev6","3.6.19","3.6.19.dev1","3.6.19.dev2","3.6.19.dev3","3.6.2","3.6.2.dev1","3.6.20","3.6.20.dev1","3.6.20.dev2","3.6.20.dev3","3.6.20.dev4","3.6.20.dev5","3.6.21","3.6.21.dev1","3.6.21.dev2","3.6.21.dev3","3.6.21.dev4","3.6.21.dev5","3.6.22.dev1","3.6.22.dev2","3.6.22.dev3","3.6.22.dev4","3.6.22.dev5","3.6.22.dev6","3.6.22.dev7","3.6.22.dev8","3.6.3","3.6.3.dev1","3.6.3.dev2","3.6.3.dev3","3.6.4","3.6.4.dev1","3.6.5","3.6.5.dev1","3.6.5.dev2","3.6.5.dev3","3.6.5.dev4","3.6.6","3.6.7","3.6.7.dev3","3.6.8","3.6.8.dev3","3.6.9"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/prefect/PYSEC-2026-2956.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"}]}