# CVE-2026-7722: PrefectHQ prefect Health Check API health endswith improper authentication

> CVE-2026-7722: PrefectHQ prefect Health Check API health endswith improper authentication. CVSS 5.3 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-7722
Last updated: 2026-06-17T11:02:52Z

- Published: 2026-05-04 02:15 UTC · Updated: 2026-06-17 11:02 UTC · Assigner: VulDB
- CVSS: 5.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
- EPSS: 0.45%, 39th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-287

## 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.

## Affected vendors and products

- PrefectHQ: prefect

## Tracked companies

- [Prefect](https://rewindex.com/company/prefect.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-7722)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-7722)
- [https://gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04](https://gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04)
- [https://github.com/PrefectHQ/prefect/](https://github.com/PrefectHQ/prefect/)
- [https://github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f3b79](https://github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f3b79)
- [https://github.com/PrefectHQ/prefect/pull/21063](https://github.com/PrefectHQ/prefect/pull/21063)
- [https://github.com/PrefectHQ/prefect/releases/tag/3.6.22](https://github.com/PrefectHQ/prefect/releases/tag/3.6.22)
- [https://vuldb.com/submit/807255](https://vuldb.com/submit/807255)
- [https://vuldb.com/vuln/360898](https://vuldb.com/vuln/360898)
- [https://vuldb.com/vuln/360898/cti](https://vuldb.com/vuln/360898/cti)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-7722 · Markdown: https://rewindex.com/cve/CVE-2026-7722.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-7722 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:13:27.308Z