CVE-2026-7722
PrefectHQ prefect Health Check API health endswith improper authentication
- Published
- Updated
- Reserved
- Assigned by
- VulDB
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium6.9 | 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 |
| VulDBCNA (assigner) | 3.1 | Medium5.3 | 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 |
| VulDBCNA (assigner) | 3.0 | Medium5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C |
| NVDNVD · Deferred | 4.0 | Medium5.5 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.45% · top 61% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Weakness
Affected products
- affected 3.6.0
- affected 3.6.1
- affected 3.6.2
- affected 3.6.3
- affected 3.6.4
- affected 3.6.5
- affected 3.6.6
- affected 3.6.7
- affected 3.6.8
- affected 3.6.9
- affected 3.6.10
- affected 3.6.11
- affected 3.6.12
- affected 3.6.13
- affected 3.6.14
- affected 3.6.15
- affected 3.6.16
- affected 3.6.17
- affected 3.6.18
- affected 3.6.19
- affected 3.6.20
- affected 3.6.21
- unaffected 3.6.22
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIprefectGHSA-6rr6-v7cj-mxpg (opens in a new tab)
References (8)
- VDB-360898 | PrefectHQ prefect Health Check API health endswith improper authentication (opens in a new tab)vdb-entrytechnical-description
- VDB-360898 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #807255 | PrefectHQ Perfect <=3.6.21 Improper Authentication (opens in a new tab)third-party-advisory
- https://gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04 (opens in a new tab)exploit
- https://github.com/PrefectHQ/prefect/pull/21063 (opens in a new tab)issue-trackingpatch
- https://github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f3b79 (opens in a new tab)patch
- https://github.com/PrefectHQ/prefect/releases/tag/3.6.22 (opens in a new tab)patch
- https://github.com/PrefectHQ/prefect/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-6rr6-v7cj-mxpg (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-7722)Record last updated .