GitHub Advisoryadvisory · PyPI
GHSA-6rr6-v7cj-mxpg Prefect Auth Bypass via endswith() Health Check Exemption
MEDIUM
Official page ↗
- Aliases
- CVE-2026-7722
- Ecosystem
- PyPI
- Packages
- prefect
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-287
- Reviewed
- 2026-05-22
Affected packages
• PyPI prefect: < 3.6.22 → fixed in 3.6.22
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. Upgrading the affected component is recommended.
Related
Alias · CVE (1)
- CVE-2026-7722 A vulnerability was detected in PrefectHQ prefect up to 3.6.21. vulnerability
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-7722 advisory
- https://github.com/PrefectHQ/prefect/pull/21063 web
- https://github.com/PrefectHQ/prefect/pull/21063/changes/d8c4ff97ef7c0a940925d32b2d76324c8def42de web
- https://github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f3b79 web
- https://gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04 web
- https://github.com/PrefectHQ/prefect package
- https://github.com/PrefectHQ/prefect/releases/tag/3.6.22 web
- https://vuldb.com/submit/807255 web
- https://vuldb.com/vuln/360898 web
- https://vuldb.com/vuln/360898/cti web