Auth bypass in Prefecthq Prefect
CVE-2026-7722
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 possi…
Vulnerability class: Broken Authentication
EPSS: 0.001 (24.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Prefecthq Prefect — versions 3.6.0, 3.6.1, 3.6.2
Weakness classification (CWE)
References
- VDB-360898 | PrefectHQ prefect Health Check API health endswith improper authentication (technical-description, vdb-entry)
- VDB-360898 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #807255 | PrefectHQ Perfect <=3.6.21 Improper Authentication (third-party-advisory)
- cna@vuldb.com (exploit)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (patch)
- cna@vuldb.com (product)
- cna@vuldb.com (patch)
Frequently asked questions
- What is CVE-2026-7722?
- CVE-2026-7722 is a medium-severity vulnerability in Prefecthq Prefect, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-05-04.
- How severe is CVE-2026-7722?
- Medium severity. CVSS v3 base score is 5.3 out of 10.