{"cve":"CVE-2026-7722","nvd":{"published":"2026-05-04T03:16:12.967","modified":"2026-10-26T19:10:00.163","status":"Deferred","description":"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. The patch is named e21617125335025b4b27e7d6f0ca028e8e8f3b79. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.","cvss_v4":{"vector":"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","score":5.5},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-287"],"references":["https://gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04","https://github.com/PrefectHQ/prefect/","https://github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f3b79","https://github.com/PrefectHQ/prefect/pull/21063","https://github.com/PrefectHQ/prefect/releases/tag/3.6.22"],"products":[],"source":"nvd","synced_at":"2026-10-26T19:31:02.781428341+00:00"},"epss":{"cve":"CVE-2026-7722","score":0.00453,"percentile":0.39096,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-6rr6-v7cj-mxpg","url":"https://osv.dev/vulnerability/GHSA-6rr6-v7cj-mxpg","summary":"Prefect Auth Bypass via endswith() Health Check Exemption","modified":"2026-09-10T03:50:45.876309429Z","packages":[{"ecosystem":"PyPI","name":"prefect","purl":"pkg:pypi/prefect","ranges":["<3.6.22"],"fixed":["3.6.22"]}]},{"id":"PYSEC-2026-2956","url":"https://osv.dev/vulnerability/PYSEC-2026-2956","summary":"Prefect Auth Bypass via endswith() Health Check Exemption","modified":"2026-07-13T16:32:07.226178048Z","packages":[{"ecosystem":"PyPI","name":"prefect","purl":"pkg:pypi/prefect","ranges":["<3.6.22"],"fixed":["3.6.22"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}